List Of National Border Changes (1914–present)
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Since
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
, there have been numerous changes in
border Borders are usually defined as geographical boundaries, imposed either by features such as oceans and terrain, or by political entities such as governments, sovereign states, federated states, and other subnational entities. Political borders c ...
s between
nations A nation is a community of people formed on the basis of a combination of shared features such as language, history, ethnicity, culture and/or society. A nation is thus the collective identity of a group of people understood as defined by t ...
, detailed below. For information on border changes from the end of the Napoleonic Wars to 1914, see
List of national border changes from 1815 to 1914 The list of national border changes from 1815 to 1914, refers to the changes in international borders since the end of the Napoleonic Wars until World War I. This period of time saw the fall of Spanish colonial empire to the United States and t ...
. Cases are only listed where there have been changes in borders, not necessarily including changes in ownership of a territory. For instance, many European colonies in Africa became independent without any adjustment to their borders, although some did have many changes. Also mentioned are some de facto changes, not recognized by the international community, such as
Crimea Crimea, crh, Къырым, Qırım, grc, Κιμμερία / Ταυρική, translit=Kimmería / Taurikḗ ( ) is a peninsula in Ukraine, on the northern coast of the Black Sea, that has been occupied by Russia since 2014. It has a pop ...
, Artsakh, and
South Ossetia South Ossetia, ka, სამხრეთი ოსეთი, ( , ), officially the Republic of South Ossetia – the State of Alania, is a partially recognised landlocked state in the South Caucasus. It has an officially stated populat ...
.


Africa

* 1919 — The
treaty of Versailles The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June ...
divides Germany's African colonies into mandates of the victors (which largely become new colonies of the victors). Most of Cameroon becomes a French mandate with a small portion taken by the British and some territory incorporated into France's previously existing colonies;
Togo Togo (), officially the Togolese Republic (french: République togolaise), is a country in West Africa. It is bordered by Ghana to the west, Benin to the east and Burkina Faso to the north. It extends south to the Gulf of Guinea, where its c ...
is mostly taken by the British, though the French gain a slim portion;
German East Africa German East Africa (GEA; german: Deutsch-Ostafrika) was a German colony in the African Great Lakes region, which included present-day Burundi, Rwanda, the Tanzania mainland, and the Kionga Triangle, a small region later incorporated into Mozam ...
was separated between
Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...
(
Rwanda Rwanda (; rw, u Rwanda ), officially the Republic of Rwanda, is a landlocked country in the Great Rift Valley of Central Africa, where the African Great Lakes region and Southeast Africa converge. Located a few degrees south of the Equator ...
and
Burundi Burundi (, ), officially the Republic of Burundi ( rn, Repuburika y’Uburundi ; Swahili language, Swahili: ''Jamuhuri ya Burundi''; French language, French: ''République du Burundi'' ), is a landlocked country in the Great Rift Valley at the ...
), Portugal (the
Kionga Triangle The Kionga Triangle (german: Kionga-Dreieck, pt, Triângulo de Quionga) was a small region of German East Africa situated at the mouth of the Ruvuma River. The Ruvuma served as the border between the German colony and Portuguese Mozambique, and ...
) and the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
(
Tanganyika Tanganyika may refer to: Places * Tanganyika Territory (1916–1961), a former British territory which preceded the sovereign state * Tanganyika (1961–1964), a sovereign state, comprising the mainland part of present-day Tanzania * Tanzania Main ...
, later merging with
Zanzibar Zanzibar (; ; ) is an insular semi-autonomous province which united with Tanganyika in 1964 to form the United Republic of Tanzania. It is an archipelago in the Indian Ocean, off the coast of the mainland, and consists of many small islands ...
to form
Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...
); and
German South-West Africa German South West Africa (german: Deutsch-Südwestafrika) was a colony of the German Empire from 1884 until 1915, though Germany did not officially recognise its loss of this territory until the 1919 Treaty of Versailles. With a total area of ...
(
Namibia Namibia (, ), officially the Republic of Namibia, is a country in Southern Africa. Its western border is the Atlantic Ocean. It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and ea ...
) becomes a mandate of
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
. In September, France settles its African colonial borders with Italian Libya. On September 8, following the signing of the Anglo-French Convention of September 8, 1919, the borders of Italian
Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to Egypt–Libya bo ...
and French
Chad Chad (; ar, تشاد , ; french: Tchad, ), officially the Republic of Chad, '; ) is a landlocked country at the crossroads of North and Central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Republic ...
are settled to the present-day boundaries.,
United States Department of State The United States Department of State (DOS), or State Department, is an executive department of the U.S. federal government responsible for the country's foreign policy and relations. Equivalent to the ministry of foreign affairs of other n ...
, October 16, 1961
A few days later, the borders of western and southwestern Libya are extended to their current boundaries after French concessions with the Franco-Italian Arrangement of 12 September 1919.,
United States Department of State The United States Department of State (DOS), or State Department, is an executive department of the U.S. federal government responsible for the country's foreign policy and relations. Equivalent to the ministry of foreign affairs of other n ...
, April 28, 1961
* 1923 — the city of
Tangier Tangier ( ; ; ar, طنجة, Ṭanja) is a city in northwestern Morocco. It is on the Moroccan coast at the western entrance to the Strait of Gibraltar, where the Mediterranean Sea meets the Atlantic Ocean off Cape Spartel. The town is the cap ...
becomes an International Free Zone after France and Spain end their control over parts of the city. * 1924 — The UK cedes a portion of Jubaland to Italy (Trans-Juba, it. ''Oltregiuba'') as a reward for the Italians having joined the Allies in World War I. * 1925 — The eastern borders of Libya and British Egypt are changed to their present boundaries, with the exception of parts of present-day southern Libya still remaining part of British
Sudan Sudan ( or ; ar, السودان, as-Sūdān, officially the Republic of the Sudan ( ar, جمهورية السودان, link=no, Jumhūriyyat as-Sūdān), is a country in Northeast Africa. It shares borders with the Central African Republic t ...
. * 1931 — France moves the control of the area of the present day
Borkou-Ennedi-Tibesti Prefecture Borkou-Ennedi-Tibesti Prefecture was the largest of the 14 prefectures of Chad between 1960 and 1999. It was transformed into Borkou-Ennedi-Tibesti Region, one of the 18 regions into which the country has been divided since 2002. Its name is of ...
from the territory of
Niger ) , official_languages = , languages_type = National languagesFrench West Africa French West Africa (french: Afrique-Occidentale française, ) was a federation of eight French colonial territories in West Africa: Mauritania, Senegal, French Sudan (now Mali), French Guinea (now Guinea), Ivory Coast, Upper Volta (now Burki ...
to Chad in
French Equatorial Africa French Equatorial Africa (french: link=no, Afrique-Équatoriale française), or the AEF, was the federation of French colonial possessions in Equatorial Africa, extending northwards from the Congo River into the Sahel, and comprising what are ...
.,
United States Department of State The United States Department of State (DOS), or State Department, is an executive department of the U.S. federal government responsible for the country's foreign policy and relations. Equivalent to the ministry of foreign affairs of other n ...
, December 15, 1978
* 1934 — The borders of Libya are changed to their present-day boundaries after the Italo-British-Egyptian Agreement, British Sudan cedes northern territory to Libya. * 1935 — The
Franco-Italian Agreement The Franco-Italian Agreements (often called ''Mussolini-Laval Accord'') were signed in Rome by both French Foreign Minister Pierre Laval and Italian Prime Minister Benito Mussolini on 7 January 1935. History After its victory in World War I, it ...
cedes the
Aouzou Strip The Aouzou Strip (; ar, قطاع أوزو, Qiṭāʿ Awzū, french: Bande d'Aozou) is a strip of land in northern Chad that lies along the border with Libya, extending south to a depth of about 100 kilometers into Chad's Borkou, Ennedi Ouest, E ...
from French Chad to Italian Libya. * 1936 — After the success of Italy during the
Second Italo-Abyssinian War The Second Italo-Ethiopian War, also referred to as the Second Italo-Abyssinian War, was a war of aggression which was fought between Italy and Ethiopia from October 1935 to February 1937. In Ethiopia it is often referred to simply as the Itali ...
,
Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...
is annexed by Italy. Ethiopia joins with
Eritrea Eritrea ( ; ti, ኤርትራ, Ertra, ; ar, إرتريا, ʾIritriyā), officially the State of Eritrea, is a country in the Horn of Africa region of Eastern Africa, with its capital and largest city at Asmara. It is bordered by Ethiopia ...
and
Italian Somaliland Italian Somalia ( it, Somalia Italiana; ar, الصومال الإيطالي, Al-Sumal Al-Italiy; so, Dhulka Talyaaniga ee Soomaalida), was a protectorate and later colony of the Kingdom of Italy in present-day Somalia. Ruled in the 19th centur ...
to form
Italian East Africa Italian East Africa ( it, Africa Orientale Italiana, AOI) was an Italian colony in the Horn of Africa. It was formed in 1936 through the merger of Italian Somalia, Italian Eritrea, and the newly occupied Ethiopian Empire, conquered in the Seco ...
. The international community does not accept Italy's occupation of Ethiopia and maintains relations with exiled Ethiopian Emperor
Haile Selassie Haile Selassie I ( gez, ቀዳማዊ ኀይለ ሥላሴ, Qädamawi Häylä Səllasé, ; born Tafari Makonnen; 23 July 189227 August 1975) was Emperor of Ethiopia from 1930 to 1974. He rose to power as Regent Plenipotentiary of Ethiopia (' ...
. * World War II — With the outbreak of World War II, war arrives in Africa in 1940, with Italy joining the war, initially British forces in
British Somaliland British Somaliland, officially the Somaliland Protectorate ( so, Dhulka Maxmiyada Soomaalida ee Biritishka), was a British Empire, British protectorate in present-day Somaliland. During its existence, the territory was bordered by Italian Soma ...
are defeated by the Italians coming from Italian East Africa and the territory is taken. However, by 1941, the British retake lost territory and take over Italian East Africa. In North Africa, after a period of retreat into Libya, Italian forces receive vital aid from the German army and the Germans move deep into Egypt by 1942, before beginning to lose ground. By 1943, The German and Italian forces retreat from Libya and capture
Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...
from France prior to fleeing to Sicily. * 1951, December 24 — The
Kingdom of Libya The Kingdom of Libya ( ar, المملكة الليبية, lit=Libyan Kingdom, translit=Al-Mamlakah Al-Lībiyya; it, Regno di Libia), known as the United Kingdom of Libya from 1951 to 1963, was a constitutional monarchy in North Africa which ca ...
becomes independent. *1952 — After WWII, Ethiopia was granted Eritrea. * 1953, August 1 —
Federation of Rhodesia and Nyasaland The Federation of Rhodesia and Nyasaland, also known as the Central African Federation or CAF, was a colonial federation that consisted of three southern African territories: the Self-governing colony, self-governing British colony of Southe ...
established from the British self-governing colony of Southern Rhodesia and the British protectorates of Northern Rhodesia, and Nyasaland. * 1956, March 2 —
French Morocco The French protectorate in Morocco (french: Protectorat français au Maroc; ar, الحماية الفرنسية في المغرب), also known as French Morocco, was the period of French colonial rule in Morocco between 1912 to 1956. The prote ...
, the
International Zone An international zone is any area not fully subject to the border control policies of the state in which it is located. There are several types of international zones ranging from special economic zones and sterile zones at ports of entry exe ...
of
Tangier Tangier ( ; ; ar, طنجة, Ṭanja) is a city in northwestern Morocco. It is on the Moroccan coast at the western entrance to the Strait of Gibraltar, where the Mediterranean Sea meets the Atlantic Ocean off Cape Spartel. The town is the cap ...
, and most of
Spanish Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to ...
join to become the independent nation of
Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to ...
; * 1957, March 6 — The United Kingdom annexes
British Togoland British Togoland, officially the Mandate Territory of Togoland and later officially the Trust Territory of Togoland, was a territory in West Africa, under the administration of the United Kingdom, which subsequently entered into union with Ghan ...
and the Northern Territories protectorate as part of Her Majesty's dominions in
Ghana Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in the west, Burkina Faso in the north, and To ...
, a new independent country within the British Commonwealth. * 1957 —
Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...
gains independence. * 1958 — French West Africa splits into
Mauritania Mauritania (; ar, موريتانيا, ', french: Mauritanie; Berber: ''Agawej'' or ''Cengit''; Pulaar: ''Moritani''; Wolof: ''Gànnaar''; Soninke:), officially the Islamic Republic of Mauritania ( ar, الجمهورية الإسلامية ...
,
Senegal Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤭 ...
,
French Sudan French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with France ...
(now
Mali Mali (; ), officially the Republic of Mali,, , ff, 𞤈𞤫𞤲𞥆𞤣𞤢𞥄𞤲𞤣𞤭 𞤃𞤢𞥄𞤤𞤭, Renndaandi Maali, italics=no, ar, جمهورية مالي, Jumhūriyyāt Mālī is a landlocked country in West Africa. Mali ...
),
French Guinea French Guinea (french: Guinée française) was a French colonial possession in West Africa. Its borders, while changed over time, were in 1958 those of the current independent nation of Guinea. French Guinea was established by France in 1891, ...
(now
Guinea Guinea ( ),, fuf, 𞤘𞤭𞤲𞤫, italic=no, Gine, wo, Gine, nqo, ߖߌ߬ߣߍ߫, bm, Gine officially the Republic of Guinea (french: République de Guinée), is a coastal country in West Africa. It borders the Atlantic Ocean to the we ...
),
Côte d'Ivoire Ivory Coast, also known as Côte d'Ivoire, officially the Republic of Côte d'Ivoire, is a country on the southern coast of West Africa. Its capital is Yamoussoukro, in the centre of the country, while its largest city and economic centre is ...
,
Niger ) , official_languages = , languages_type = National languagesUpper Volta (now
Burkina Faso Burkina Faso (, ; , ff, 𞤄𞤵𞤪𞤳𞤭𞤲𞤢 𞤊𞤢𞤧𞤮, italic=no) is a landlocked country in West Africa with an area of , bordered by Mali to the northwest, Niger to the northeast, Benin to the southeast, Togo and Ghana to the ...
) and Dahomey (now
Benin Benin ( , ; french: Bénin , ff, Benen), officially the Republic of Benin (french: République du Bénin), and formerly Dahomey, is a country in West Africa. It is bordered by Togo to the west, Nigeria to the east, Burkina Faso to the north ...
) * 1960 —
Belgian Congo The Belgian Congo (french: Congo belge, ; nl, Belgisch-Congo) was a Belgian colony in Central Africa from 1908 until independence in 1960. The former colony adopted its present name, the Democratic Republic of the Congo (DRC), in 1964. Colo ...
is granted independence as the Republic of the Congo. In 1964 it changes its name to the
Democratic Republic of the Congo The Democratic Republic of the Congo (french: République démocratique du Congo (RDC), colloquially "La RDC" ), informally Congo-Kinshasa, DR Congo, the DRC, the DROC, or the Congo, and formerly and also colloquially Zaire, is a country in ...
to differentiate itself from
Congo-Brazzaville The Republic of the Congo (french: République du Congo, ln, Republíki ya Kongó), also known as Congo-Brazzaville, the Congo Republic or simply either Congo or the Congo, is a country located in the western coast of Central Africa to the w ...
. * 1960, July 1 — State of Somaliland (formerly
British Somaliland British Somaliland, officially the Somaliland Protectorate ( so, Dhulka Maxmiyada Soomaalida ee Biritishka), was a British Empire, British protectorate in present-day Somaliland. During its existence, the territory was bordered by Italian Soma ...
) joins with
Italian Somaliland Italian Somalia ( it, Somalia Italiana; ar, الصومال الإيطالي, Al-Sumal Al-Italiy; so, Dhulka Talyaaniga ee Soomaalida), was a protectorate and later colony of the Kingdom of Italy in present-day Somalia. Ruled in the 19th centur ...
to form
Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...
. French Equatorial Africa's interim successor, the Union of Central African Republics dissolves in August with independence of
Chad Chad (; ar, تشاد , ; french: Tchad, ), officially the Republic of Chad, '; ) is a landlocked country at the crossroads of North and Central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Republic ...
(August 11),
Oubangui-Chari Ubangi-Shari (french: Oubangui-Chari) was a French colony in central Africa, a part of French Equatorial Africa. It was named after the Ubangi and Chari rivers along which it was colonised. It was established on 29 December 1903, from the ...
(now
Central African Republic The Central African Republic (CAR; ; , RCA; , or , ) is a landlocked country in Central Africa. It is bordered by Chad to the north, Sudan to the northeast, South Sudan to the southeast, the DR Congo to the south, the Republic of th ...
) (August 13),
Congo-Brazzaville The Republic of the Congo (french: République du Congo, ln, Republíki ya Kongó), also known as Congo-Brazzaville, the Congo Republic or simply either Congo or the Congo, is a country located in the western coast of Central Africa to the w ...
(now the
Republic of the Congo The Republic of the Congo (french: République du Congo, ln, Republíki ya Kongó), also known as Congo-Brazzaville, the Congo Republic or simply either Congo or the Congo, is a country located in the western coast of Central Africa to the w ...
) (August 15), and
Gabon Gabon (; ; snq, Ngabu), officially the Gabonese Republic (french: République gabonaise), is a country on the west coast of Central Africa. Located on the equator, it is bordered by Equatorial Guinea to the northwest, Cameroon to the north ...
(August 17). * 1961, May 31 — the northern two-thirds of British
Cameroons British Cameroon or the British Cameroons was a British Empire, British League of Nations mandate, mandate territory in British West Africa, formed of the Northern Cameroons and Southern Cameroons. Today, the Northern Cameroons forms parts of th ...
joins
Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...
; October 1 — the southern third of British Cameroons joins with the Republic of Cameroon to form the Federal Republic of Cameroon. This year also the tiny Portuguese outpost of
São João Baptista de Ajudá SAO or Sao may refer to: Places * Sao civilisation, in Middle Africa from 6th century BC to 16th century AD * Sao, a town in Boussé Department, Burkina Faso * Saco Transportation Center (station code SAO), a train station in Saco, Maine, U. ...
was annexed by Dahomey (now
Benin Benin ( , ; french: Bénin , ff, Benen), officially the Republic of Benin (french: République du Bénin), and formerly Dahomey, is a country in West Africa. It is bordered by Togo to the west, Nigeria to the east, Burkina Faso to the north ...
) * 1962, July 1 — The Belgian colony of
Ruanda-Urundi Ruanda-Urundi (), later Rwanda-Burundi, was a colonial territory, once part of German East Africa, which was occupied by troops from the Belgian Congo during the East African campaign in World War I and was administered by Belgium under militar ...
separated into
Rwanda Rwanda (; rw, u Rwanda ), officially the Republic of Rwanda, is a landlocked country in the Great Rift Valley of Central Africa, where the African Great Lakes region and Southeast Africa converge. Located a few degrees south of the Equator ...
and
Burundi Burundi (, ), officially the Republic of Burundi ( rn, Repuburika y’Uburundi ; Swahili language, Swahili: ''Jamuhuri ya Burundi''; French language, French: ''République du Burundi'' ), is a landlocked country in the Great Rift Valley at the ...
. * 1962, September 25 — The
People's Democratic Republic of Algeria ) , image_map = Algeria (centered orthographic projection).svg , map_caption = , image_map2 = , capital = Algiers , coordinates = , largest_city = capital , religi ...
is formally proclaimed. * 1963, December 31 —
Federation of Rhodesia and Nyasaland The Federation of Rhodesia and Nyasaland, also known as the Central African Federation or CAF, was a colonial federation that consisted of three southern African territories: the Self-governing colony, self-governing British colony of Southe ...
dissolved; over the next two years Nyasaland becomes independent
Malawi Malawi (; or aláwi Tumbuka: ''Malaŵi''), officially the Republic of Malawi, is a landlocked country in Southeastern Africa that was formerly known as Nyasaland. It is bordered by Zambia to the west, Tanzania to the north and northeast ...
, Northern Rhodesia wins independence as
Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central Africa, Central, Southern Africa, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most cent ...
, and Southern Rhodesia (or simply
Rhodesia Rhodesia (, ), officially from 1970 the Republic of Rhodesia, was an unrecognised state in Southern Africa from 1965 to 1979, equivalent in territory to modern Zimbabwe. Rhodesia was the ''de facto'' successor state to the British colony of S ...
) unilaterally declares independence. * 1964, April 26 —
Tanganyika Tanganyika may refer to: Places * Tanganyika Territory (1916–1961), a former British territory which preceded the sovereign state * Tanganyika (1961–1964), a sovereign state, comprising the mainland part of present-day Tanzania * Tanzania Main ...
unites with the island of
Zanzibar Zanzibar (; ; ) is an insular semi-autonomous province which united with Tanganyika in 1964 to form the United Republic of Tanzania. It is an archipelago in the Indian Ocean, off the coast of the mainland, and consists of many small islands ...
to form
Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...
. * 1967, May 30 — The break-away state of
Biafra Biafra, officially the Republic of Biafra, was a partially recognised secessionist state in West Africa that declared independence from Nigeria and existed from 1967 until 1970. Its territory consisted of the predominantly Igbo-populated form ...
is formed from southern
Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...
. Officially Biafra receives ''de jure'' acknowledgement of existence by only a few nations, but has the ''de facto'' support of France, Israel, Portugal, and South Africa which provide arms to the state in its war of independence against Nigeria. * 1969, January 4 — Spain returns
Ifni Ifni was a Spanish province on the Atlantic coast of Morocco, south of Agadir and across from the Canary Islands. It had a total area of , and a population of 51,517 in 1964. The main industry was fishing. The present-day Moroccan province in th ...
to
Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to ...
. * 1970, January 15 — Biafra is occupied and annexed by Nigeria. * 1973, September 24 — The Portuguese Overseas Province of Guinea declares its independence as the
Republic of Guinea Guinea ( ),, fuf, 𞤘𞤭𞤲𞤫, italic=no, Gine, wo, Gine, nqo, ߖߌ߬ߣߍ߫, bm, Gine officially the Republic of Guinea (french: République de Guinée), is a coastal country in West Africa. It borders the Atlantic Ocean to the we ...
. Recognition is granted the next year on 10 September 1974. * 1975, June 25 — The Portuguese Province of Mozambique gains independence as the
People's Republic of Mozambique The People's Republic of Mozambique (Portuguese: ''República Popular de Moçambique'') was a socialist state that existed in present day Mozambique from 1975 to 1990. The People's Republic of Mozambique was established when the country gained ...
. * 1975, July 5 — The Portuguese Overseas Province of Cape Verde gains independence as the
Republic of Cape Verde , national_anthem = () , official_languages = Portuguese , national_languages = Cape Verdean Creole , capital = Praia , coordinates = , largest_city = capital , demonym ...
. * 1975, July 6 — The French
State of the Comoros The history of the Comoros extends to about 800–1000 AD when the archipelago was first inhabited. The Comoros have been inhabited by various groups throughout this time. France colonised the islands in the 19th century, and they became independe ...
gains independence as the
State of Comoros The Comoros,, ' officially the Union of the Comoros,; ar, الاتحاد القمري ' is an independent country made up of three islands in southeastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. It ...
. * 1975, July 12 — The Portuguese Overseas Province of São Tomé and Príncipe gains independence as the Democratic Republic of São Tomé and Príncipe. * 1975, November 11 — The Portuguese State of Angola gains independence as the
People's Republic of Angola The People's Republic of Angola () was the self-declared socialist state which governed Angola from its independence in 1975 until 25 August 1992, during the Angolan Civil War. History The regime was established in 1975, after Portuguese An ...
. * 1975, December —
Spanish Sahara Spanish Sahara ( es, Sahara Español; ar, الصحراء الإسبانية, As-Sahrā'a Al-Isbānīyah), officially the Spanish Possessions in the Sahara from 1884 to 1958 then Province of the Sahara between 1958 and 1976, was the name used f ...
divided ''de facto'' between
Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to ...
and
Mauritania Mauritania (; ar, موريتانيا, ', french: Mauritanie; Berber: ''Agawej'' or ''Cengit''; Pulaar: ''Moritani''; Wolof: ''Gànnaar''; Soninke:), officially the Islamic Republic of Mauritania ( ar, الجمهورية الإسلامية ...
(although Spain's formal mandate did not end until February 26, 1976). Western Sahara is de jure a non-self governing territory according to the UN. No country recognises this until 2020, when the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
recognises Morocco's annexation. * 1976, June 29 — The British Crown Colony of the Seychelles gains independence as the
Republic of Seychelles Seychelles (, ; ), officially the Republic of Seychelles (french: link=no, République des Seychelles; Creole: ''La Repiblik Sesel''), is an archipelagic state consisting of 115 islands in the Indian Ocean. Its capital and largest city, V ...
. * 1977, June 27 — The
French Territory of the Afars and the Issas The French Territory of the Afars and the Issas (FTAI; french: Territoire français des Afars et des Issas) was the name given to present-day Djibouti between 1967 and 1977, while it was still an overseas territory of France. The area was former ...
gains independence as the
Republic of Djibouti Djibouti, ar, جيبوتي ', french: link=no, Djibouti, so, Jabuuti officially the Republic of Djibouti, is a country in the Horn of Africa, bordered by Somalia to the south, Ethiopia to the southwest, Eritrea in the north, and the Red ...
* 1977, September 1 — South African Government reimposed direct rule on
Walvis Bay Walvis Bay ( en, lit. Whale Bay; af, Walvisbaai; ger, Walfischbucht or Walfischbai) is a city in Namibia and the name of the bay on which it lies. It is the second largest city in Namibia and the largest coastal city in the country. The c ...
. * 1979 —
Mauritania Mauritania (; ar, موريتانيا, ', french: Mauritanie; Berber: ''Agawej'' or ''Cengit''; Pulaar: ''Moritani''; Wolof: ''Gànnaar''; Soninke:), officially the Islamic Republic of Mauritania ( ar, الجمهورية الإسلامية ...
withdraws from southern
Western Sahara Western Sahara ( '; ; ) is a disputed territory on the northwest coast and in the Maghreb region of North and West Africa. About 20% of the territory is controlled by the self-proclaimed Sahrawi Arab Democratic Republic (SADR), while the r ...
, which is taken over by
Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to ...
* 1990 —
Namibia Namibia (, ), officially the Republic of Namibia, is a country in Southern Africa. Its western border is the Atlantic Ocean. It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and ea ...
gets independence from occupying
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
. * 1991, May 18 —
Somaliland Somaliland,; ar, صوماليلاند ', ' officially the Republic of Somaliland,, ar, جمهورية صوماليلاند, link=no ''Jumhūrīyat Ṣūmālīlānd'' is a ''de facto'' sovereign state in the Horn of Africa, still conside ...
declares independence from
Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...
but is not recognized by any other country. * 1993, May 24 —
Eritrea Eritrea ( ; ti, ኤርትራ, Ertra, ; ar, إرتريا, ʾIritriyā), officially the State of Eritrea, is a country in the Horn of Africa region of Eastern Africa, with its capital and largest city at Asmara. It is bordered by Ethiopia ...
breaks off from
Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...
. * 1994, February 28 —
Walvis Bay Walvis Bay ( en, lit. Whale Bay; af, Walvisbaai; ger, Walfischbucht or Walfischbai) is a city in Namibia and the name of the bay on which it lies. It is the second largest city in Namibia and the largest coastal city in the country. The c ...
and the
Penguin Islands The Penguin Islands ( af, Pikkewyn-eilande, german: Pinguininseln) are a historical group of mostly scattered islands and rocks situated along a stretch of along the coastline of Namibia. Not forming a geographic whole, the Namibian governm ...
transferred by
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
to
Namibia Namibia (, ), officially the Republic of Namibia, is a country in Southern Africa. Its western border is the Atlantic Ocean. It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and ea ...
. * 2008, August 14 — Bakassi transferred to Cameroon by Nigeria * 2011, July 9 —
South Sudan South Sudan (; din, Paguot Thudän), officially the Republic of South Sudan ( din, Paankɔc Cuëny Thudän), is a landlocked country in East Africa. It is bordered by Ethiopia, Sudan, Central African Republic, Democratic Republic of the C ...
formally obtains independence from the Republic of Sudan.


Asia

* 1919 —
Xu Shuzheng Hsu Seu-Cheng or Xu Shuzheng (; ) (11 November 1880 – 29 December 1925) was a Chinese warlord in Republican China. A subordinate and right-hand man of Duan Qirui, he was a prominent member of the Anhui clique. Early life Xu was born in ...
, Chinese warlord of the
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
, invades
Outer Mongolia Outer Mongolia was the name of a territory in the Manchu-led Qing dynasty of China from 1691 to 1911. It corresponds to the modern-day independent state of Mongolia and the Russian republic of Tuva. The historical region gained ''de facto' ...
, repelling the
White Army The White Army (russian: Белая армия, Belaya armiya) or White Guard (russian: Бѣлая гвардія/Белая гвардия, Belaya gvardiya, label=none), also referred to as the Whites or White Guardsmen (russian: Бѣлогв ...
and reintegrates Mongolia into China. * 1921 — The
Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
forces invade Mongolia, creating a de facto independent Mongolia. * 1921 — The
Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
satellite state A satellite state or dependent state is a country that is formally independent in the world, but under heavy political, economic, and military influence or control from another country. The term was coined by analogy to planetary objects orbiting ...
of
Tannu Tuva The Tuvan People's Republic (TPR; tyv, Тыва Арат Республик, translit=Tywa Arat Respublik; Yanalif: ''Tьʙа Arat Respuʙlik'', ),) and abbreviated TAR. known as the Tannu Tuva People's Republic until 1926, was a partially rec ...
is formed after
Bolshevik The Bolsheviks (russian: Большевики́, from большинство́ ''bol'shinstvó'', 'majority'),; derived from ''bol'shinstvó'' (большинство́), "majority", literally meaning "one of the majority". also known in English ...
revolutionaries take the region by force from
Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...
* 1922 — The
Saudi Arabian–Iraqi neutral zone The Saudi Arabian–Iraqi neutral zone was an area of on the border between Saudi Arabia and Iraq within which the border between the two countries had not been settled. The neutral zone came into existence following the Uqair Protocol of 19 ...
is created. * 1926 — Treaty of Ankara were signed to recognise the Iraq-Turkey border with some minor modifications. * 1928 — The ICJ awards the
Island of Palmas Miangas or Palmas is North Sulawesi's northernmost island, and one of 92 officially listed outlying islands of Indonesia. Etymology ''Miangas'' means "exposed to piracy", because pirates from Mindanao used to visit the island. In the 16th centur ...
from the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
to the
Dutch East Indies The Dutch East Indies, also known as the Netherlands East Indies ( nl, Nederlands(ch)-Indië; ), was a Dutch colony consisting of what is now Indonesia. It was formed from the nationalised trading posts of the Dutch East India Company, which ...
. * 1929 — Soviet Union annexed
Bolshoy Ussuriysky Island Bolshoi Ussuriysky Island (russian: Большо́й Уссури́йский о́стров Bol'shoy Ussuriyskiy Ostrov), or Heixiazi Island (; lit. "black blind island"), is a sedimentary island at the confluence of the Ussuri and ...
from
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
. * 1932, February 18 — The
Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent fo ...
declares
Manchukuo Manchukuo, officially the State of Manchuria prior to 1934 and the Empire of (Great) Manchuria after 1934, was a puppet state of the Empire of Japan in Northeast China, Manchuria from 1932 until 1945. It was founded as a republic in 1932 afte ...
independent of
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
* 1936, May 12 — Japan declares
Mengjiang Mengjiang, also known as Mengkiang or the Mongol Border Land, and governed as the Mengjiang United Autonomous Government, was an autonomous area in Inner Mongolia, formed in 1939 as a puppet state of the Empire of Japan, then from 1940 being ...
independent of China. * 1937 — The British
split Split(s) or The Split may refer to: Places * Split, Croatia, the largest coastal city in Croatia * Split Island, Canada, an island in the Hudson Bay * Split Island, Falkland Islands * Split Island, Fiji, better known as Hạfliua Arts, enterta ...
Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...
and
Aden Aden ( ar, عدن ' Yemeni: ) is a city, and since 2015, the temporary capital of Yemen, near the eastern approach to the Red Sea (the Gulf of Aden), some east of the strait Bab-el-Mandeb. Its population is approximately 800,000 people. ...
off from the rest of
the Raj The British Raj (; from Hindi ''rāj'': kingdom, realm, state, or empire) was the rule of the British Crown on the Indian subcontinent; * * it is also called Crown rule in India, * * * * or Direct rule in India, * Quote: "Mill, who was himsel ...
* 1938 —
Hatay State Hatay State ( tr, Hatay Devleti; french: État du Hatay; ar , دولة هاتاي ''Dawlat Hatāy''), also known informally as the Republic of Hatay ( ar , جمهورية هاتاي ''Jumhūriyya Hatāy''), was a transitional political entity t ...
, a city-state, is formed when it separates from French-held
Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...
. * 1939 —
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...
annexes
Hatay Hatay Province ( tr, Hatay ili, ) is the southernmost province of Turkey. It is situated almost entirely outside Anatolia, along the eastern coast of the Levantine Sea. The province borders Syria to its south and east, the Turkish province of ...
. * World War II — In the early stages of World War II in the Pacific, Japan made steady gains against the Allies. In 1940, with the collapse of France in Europe, the new
Vichy Vichy (, ; ; oc, Vichèi, link=no, ) is a city in the Allier Departments of France, department in the Auvergne-Rhône-Alpes region of central France, in the historic province of Bourbonnais. It is a Spa town, spa and resort town and in World ...
regime allows Japan to annex French Indochina. After the
attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, j ...
, Japan proceeds to occupy
Wake Island Wake Island ( mh, Ānen Kio, translation=island of the kio flower; also known as Wake Atoll) is a coral atoll in the western Pacific Ocean in the northeastern area of the Micronesia subregion, east of Guam, west of Honolulu, southeast of To ...
, the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
,
British Malaya The term "British Malaya" (; ms, Tanah Melayu British) loosely describes a set of states on the Malay Peninsula and the island of Singapore that were brought under British hegemony or control between the late 18th and the mid-20th century. U ...
, the
Dutch East Indies The Dutch East Indies, also known as the Netherlands East Indies ( nl, Nederlands(ch)-Indië; ), was a Dutch colony consisting of what is now Indonesia. It was formed from the nationalised trading posts of the Dutch East India Company, which ...
, northern
New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...
and a number of pacific islands. Also Japan begins attacks against British-held Burma and India, and creates a puppet regime in Burma. From 1943 to its defeat, Japan steadily loses territory in the Pacific to the Allies and in 1945, Japan surrenders, abolishing its remaining puppet regimes in Manchukuo and Mengjiang, and abandoning its hold on
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
. * 1944 — Tuvinian People's Republic becomes a part of the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
. * 1945 — Kwantung Leased Territory dissolved and returned to
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
* 1945 — The
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
annexes
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...
and
Penghu The Penghu (, Hokkien POJ: ''Phîⁿ-ô͘''  or ''Phêⁿ-ô͘'' ) or Pescadores Islands are an archipelago of 90 islands and islets in the Taiwan Strait, located approximately west from the main island of Taiwan, covering an area ...
. * 1945 — Following the war, the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
annexes the Southern Sakhalin and Kuril Islands from Japan according to the Yalta Conference,
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
is divided into the two countries,
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
and
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and shares borders with China and Russia to the north, at the Yalu River, Y ...
. * 1946, April 1 —
Straits Settlements The Straits Settlements were a group of British territories located in Southeast Asia. Headquartered in Singapore for more than a century, it was originally established in 1826 as part of the territories controlled by the British East India Comp ...
,
Unfederated Malay States The term Unfederated Malay States () was the collective name given to five British protected states in the Malay peninsula in the first half of the twentieth century. These states were Johor, Kedah, Kelantan, Perlis, and Terengganu. In contras ...
and
Federated Malay States )Under God's Protection , capital = Kuala Lumpur1 , religion = Islam , legislature = Federal Legislative Council , type_house1 = State level , common_languages = , title_leader = Monarch , leader1 ...
join to form the
Malayan Union The Malayan Union was a union of the Malay states and the Straits Settlements of Penang and Malacca. It was the successor to British Malaya and was conceived to unify the Malay Peninsula under a single government to simplify administratio ...
. (Although these could have been considered remaining part of
British Malaya The term "British Malaya" (; ms, Tanah Melayu British) loosely describes a set of states on the Malay Peninsula and the island of Singapore that were brought under British hegemony or control between the late 18th and the mid-20th century. U ...
).
Jordan Jordan ( ar, الأردن; tr. ' ), officially the Hashemite Kingdom of Jordan,; tr. ' is a country in Western Asia. It is situated at the crossroads of Asia, Africa, and Europe, within the Levant region, on the East Bank of the Jordan Rive ...
becomes independent after separating from the
British Mandate of Palestine British Mandate of Palestine or Palestine Mandate most often refers to: * Mandate for Palestine: a League of Nations mandate under which the British controlled an area which included Mandatory Palestine and the Emirate of Transjordan. * Mandatory P ...
. The United Kingdom hands over the administration of the Turtle Islands to the Philippines. * 1947, August — The
Partition of India The Partition of British India in 1947 was the Partition (politics), change of political borders and the division of other assets that accompanied the dissolution of the British Raj in South Asia and the creation of two independent dominions: ...
as
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
and
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
are given independence from
Britain Britain most often refers to: * The United Kingdom, a sovereign state in Europe comprising the island of Great Britain, the north-eastern part of the island of Ireland and many smaller islands * Great Britain, the largest island in the United King ...
* 1948 — The
State of Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
is created after the 1947
United Nations General Assembly The United Nations General Assembly (UNGA or GA; french: link=no, Assemblée générale, AG) is one of the six principal organs of the United Nations (UN), serving as the main deliberative, policymaking, and representative organ of the UN. Curr ...
Resolution 181 The United Nations Partition Plan for Palestine was a proposal by the United Nations, which recommended a partition of Mandatory Palestine at the end of the British Mandate. On 29 November 1947, the UN General Assembly adopted the Plan as Re ...
called for the partition of the British-ruled
Palestine __NOTOC__ Palestine may refer to: * State of Palestine, a state in Western Asia * Palestine (region), a geographic region in Western Asia * Palestinian territories, territories occupied by Israel since 1967, namely the West Bank (including East ...
into a Jewish state and an Arab state. The resolution is accepted by the Jews in Palestine, but rejected by the Arabs in Palestine and the Arab states. * 1948 — After the Indo-Pakistani War of 1947–1948 over
Kashmir Kashmir () is the northernmost geographical region of the Indian subcontinent. Until the mid-19th century, the term "Kashmir" denoted only the Kashmir Valley between the Great Himalayas and the Pir Panjal Range. Today, the term encompas ...
, a
Line of Control The Line of Control (LoC) is a military control line between the Indian and Pakistanicontrolled parts of the former princely state of Jammu and Kashmir—a line which does not constitute a legally recognized international boundary, but serve ...
is created in Kashmir, creating Indian and Pakistani controlled zones. * 1949 — The
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
loses control of most of mainland China (except for Kinmen and Matsu of Fukien/Fujian province, Tibet, Hainan) to the newly formed
People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
in the
Chinese Civil War The Chinese Civil War was fought between the Kuomintang-led government of the Republic of China and forces of the Chinese Communist Party, continuing intermittently since 1 August 1927 until 7 December 1949 with a Communist victory on m ...
* 1949 — The Arab–Israeli War ends in armistice, with
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
gaining 60% of the Palestinian state proposed by the 1947 partition plan, Egypt gaining the
Gaza Strip The Gaza Strip (;The New Oxford Dictionary of English (1998) – p.761 "Gaza Strip /'gɑːzə/ a strip of territory under the control of the Palestinian National Authority and Hamas, on the SE Mediterranean coast including the town of Gaza.. ...
and
Jordan Jordan ( ar, الأردن; tr. ' ), officially the Hashemite Kingdom of Jordan,; tr. ' is a country in Western Asia. It is situated at the crossroads of Asia, Africa, and Europe, within the Levant region, on the East Bank of the Jordan Rive ...
gaining the
West Bank The West Bank ( ar, الضفة الغربية, translit=aḍ-Ḍiffah al-Ġarbiyyah; he, הגדה המערבית, translit=HaGadah HaMaʽaravit, also referred to by some Israelis as ) is a landlocked territory near the coast of the Mediter ...
. * 1950 —
Chandannagar Chandannagar french: Chandernagor ), also known by its former name Chandernagore and French name Chandernagor, is a city in the Hooghly district in the Indian state of West Bengal. It is headquarter of the Chandannagore subdivision and is part ...
is taken over by India from French control. * 1951 —
Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...
is
annexed Annexation (Latin ''ad'', to, and ''nexus'', joining), in international law, is the forcible acquisition of one state's territory by another state, usually following military occupation of the territory. It is generally held to be an illegal act ...
by the
People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
. * 1953 — Following the
Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...
, the boundary between
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and shares borders with China and Russia to the north, at the Yalu River, Y ...
and
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
is the
Military Demarcation Line The Military Demarcation Line (MDL), sometimes referred to as the Armistice Line, is the land border or demarcation line between North Korea and South Korea. On either side of the line is the Korean Demilitarized Zone (DMZ). The MDL and DMZ ...
, which roughly follows the previous 38th parallel * 1954 — Bands of Indian irregulars took over the Portuguese enclaves of
Dadra and Nagar Haveli Dadra and Nagar Haveli is a district of the union territory of Dadra and Nagar Haveli and Daman and Diu in western India. It is composed of two separate geographical entities: Nagar Haveli, wedged in between Maharashtra and Gujarat states to ...
. On June 13, the port of Mahé breaks away from French rule and joins India.
French Indochina French Indochina (previously spelled as French Indo-China),; vi, Đông Dương thuộc Pháp, , lit. 'East Ocean under French Control; km, ឥណ្ឌូចិនបារាំង, ; th, อินโดจีนฝรั่งเศส, ...
dissolves,
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...
is divided into two countries,
South Vietnam South Vietnam, officially the Republic of Vietnam ( vi, Việt Nam Cộng hòa), was a state in Southeast Asia that existed from 1955 to 1975, the period when the southern portion of Vietnam was a member of the Western Bloc during part of th ...
and
North Vietnam North Vietnam, officially the Democratic Republic of Vietnam (DRV; vi, Việt Nam Dân chủ Cộng hòa), was a socialist state supported by the Soviet Union (USSR) and the People's Republic of China (PRC) in Southeast Asia that existed f ...
, and the nations of
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...
,
Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...
, and Vietnam become independent states. * 1955 — Soviet Union handover Dalian port to People's Republic of China. * 1961, December 19 —
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
takes over the Portuguese colony of
Goa, Daman and Diu Goa, Daman and Diu (, ) was a union territory of the Republic of India established in 1961 following the annexation of Portuguese India, with Maj Gen K P Candeth as its first Military Governor. The Goa portion of the territory was granted ful ...
, which becomes a single Union Territory of India. In 1987,
Goa Goa () is a state on the southwestern coast of India within the Konkan region, geographically separated from the Deccan highlands by the Western Ghats. It is located between the Indian states of Maharashtra to the north and Karnataka to the ...
is elevated to full statehood, with
Daman and Diu Daman and Diu (; ) was a former union territory in northwestern India. With an area of , it was the smallest administrative subdivision of India on the mainland. The territory comprised two districts, Damaon and Dio island, geographically sep ...
remaining a Union Territory. * 1962, August 16 — India officially absorbs the French enclaves of
Pondicherry Pondicherry (), now known as Puducherry ( French: Pondichéry ʊdʊˈtʃɛɹi(listen), on-dicherry, is the capital and the most populous city of the Union Territory of Puducherry in India. The city is in the Puducherry district on the sout ...
. * 1962 — The
Federation of South Arabia The Federation of South Arabia ( ar, اتحاد الجنوب العربي ') was a federal state under British protection in what would become South Yemen. Its capital was Aden. It was formed on 4 April 1962 from the 15 protected states of ...
is created. * 1963 — The
Protectorate of South Arabia The Protectorate of South Arabia consisted of various states located at the southern end of the Arabian Peninsula under treaties of protection with Britain. The area of the former protectorate became part of South Yemen after the Radfan upri ...
is created. * 1963 —
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
cedes claimed areas of
Kashmir Kashmir () is the northernmost geographical region of the Indian subcontinent. Until the mid-19th century, the term "Kashmir" denoted only the Kashmir Valley between the Great Himalayas and the Pir Panjal Range. Today, the term encompas ...
to the
People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
. * 1963, September 16 —
Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...
,
British North Borneo (I persevere and I achieve) , national_anthem = , capital = Kudat (1881–1884);Sandakan (1884–1945); Jesselton (1946) , common_languages = English, Kadazan-Dusun, Bajau, Murut, Sabah Malay, Chinese etc. , gove ...
(renamed
Sabah Sabah () is a States and federal territories of Malaysia, state of Malaysia located in northern Borneo, in the region of East Malaysia. Sabah borders the Malaysian state of Sarawak to the southwest and the North Kalimantan province of Indone ...
),
Sarawak Sarawak (; ) is a States and federal territories of Malaysia, state of Malaysia. The largest among the 13 states, with an area almost equal to that of Peninsular Malaysia, Sarawak is located in northwest Borneo Island, and is bordered by the M ...
and Malaya join to form
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
* 1965, August 9 —
Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...
withdraws from
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
* 1965 —
Jordan Jordan ( ar, الأردن; tr. ' ), officially the Hashemite Kingdom of Jordan,; tr. ' is a country in Western Asia. It is situated at the crossroads of Asia, Africa, and Europe, within the Levant region, on the East Bank of the Jordan Rive ...
and
Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the A ...
concluded a bilateral agreement that realigned and defined the boundary. * 1967 — The
Federation of South Arabia The Federation of South Arabia ( ar, اتحاد الجنوب العربي ') was a federal state under British protection in what would become South Yemen. Its capital was Aden. It was formed on 4 April 1962 from the 15 protected states of ...
and the
Protectorate of South Arabia The Protectorate of South Arabia consisted of various states located at the southern end of the Arabian Peninsula under treaties of protection with Britain. The area of the former protectorate became part of South Yemen after the Radfan upri ...
join to form South Yemen. * 1967 — following the
Six-Day War The Six-Day War (, ; ar, النكسة, , or ) or June War, also known as the 1967 Arab–Israeli War or Third Arab–Israeli War, was fought between Israel and a coalition of Arab world, Arab states (primarily United Arab Republic, Egypt, S ...
, Israel gains
Sinai Peninsula The Sinai Peninsula, or simply Sinai (now usually ) (, , cop, Ⲥⲓⲛⲁ), is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south, and is a l ...
and
Gaza Strip The Gaza Strip (;The New Oxford Dictionary of English (1998) – p.761 "Gaza Strip /'gɑːzə/ a strip of territory under the control of the Palestinian National Authority and Hamas, on the SE Mediterranean coast including the town of Gaza.. ...
from
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...
,
West Bank The West Bank ( ar, الضفة الغربية, translit=aḍ-Ḍiffah al-Ġarbiyyah; he, הגדה המערבית, translit=HaGadah HaMaʽaravit, also referred to by some Israelis as ) is a landlocked territory near the coast of the Mediter ...
from
Jordan Jordan ( ar, الأردن; tr. ' ), officially the Hashemite Kingdom of Jordan,; tr. ' is a country in Western Asia. It is situated at the crossroads of Asia, Africa, and Europe, within the Levant region, on the East Bank of the Jordan Rive ...
and
Golan Heights The Golan Heights ( ar, هَضْبَةُ الْجَوْلَانِ, Haḍbatu l-Jawlān or ; he, רמת הגולן, ), or simply the Golan, is a region in the Levant spanning about . The region defined as the Golan Heights differs between di ...
from
Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...
. * 1969, December 18 — Saudi Arabian–Kuwaiti neutral zone partitioned between
Kuwait Kuwait (; ar, الكويت ', or ), officially the State of Kuwait ( ar, دولة الكويت '), is a country in Western Asia. It is situated in the northern edge of Eastern Arabia at the tip of the Persian Gulf, bordering Iraq to the nort ...
and
Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the A ...
* 1971, October 25 – The
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...
recognizes the
People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
as the sole legitimate government of "China" instead of the
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
. * 1971, December 16 —
Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...
becomes independent. * 1975, May 16 —
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
becomes a part of
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
. * 1976, July 2 —
South Vietnam South Vietnam, officially the Republic of Vietnam ( vi, Việt Nam Cộng hòa), was a state in Southeast Asia that existed from 1955 to 1975, the period when the southern portion of Vietnam was a member of the Western Bloc during part of th ...
and
North Vietnam North Vietnam, officially the Democratic Republic of Vietnam (DRV; vi, Việt Nam Dân chủ Cộng hòa), was a socialist state supported by the Soviet Union (USSR) and the People's Republic of China (PRC) in Southeast Asia that existed f ...
were officially unified as
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...
* 1976, July 17 — After being relinquished by
Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...
in 1974, and invaded by
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
in 1975,
East Timor East Timor (), also known as Timor-Leste (), officially the Democratic Republic of Timor-Leste, is an island country in Southeast Asia. It comprises the eastern half of the island of Timor, the exclave of Oecusse on the island's north-weste ...
is annexed by Indonesia * 1982 — pursuant to the
Camp David Accords The Camp David Accords were a pair of political agreements signed by Egyptian President Anwar Sadat and Israeli Prime Minister Menachem Begin on 17 September 1978, following twelve days of secret negotiations at Camp David, the country retrea ...
,
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
completes the withdrawal from the
Sinai Peninsula The Sinai Peninsula, or simply Sinai (now usually ) (, , cop, Ⲥⲓⲛⲁ), is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south, and is a l ...
. * 1990, May 22 —
North Yemen North Yemen may refer to: * Mutawakkilite Kingdom of Yemen (1918–1962) * Yemen Arab Republic The Yemen Arab Republic (YAR; ar, الجمهورية العربية اليمنية '), also known simply as North Yemen or Yemen (Sanaʽa), was a ...
unites with South Yemen. August 2 —
Kuwait Kuwait (; ar, الكويت ', or ), officially the State of Kuwait ( ar, دولة الكويت '), is a country in Western Asia. It is situated in the northern edge of Eastern Arabia at the tip of the Persian Gulf, bordering Iraq to the nort ...
annexed by
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
* 1991, February 27 —
Kuwait Kuwait (; ar, الكويت ', or ), officially the State of Kuwait ( ar, دولة الكويت '), is a country in Western Asia. It is situated in the northern edge of Eastern Arabia at the tip of the Persian Gulf, bordering Iraq to the nort ...
is liberated from
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
;
Saudi Arabian–Iraqi neutral zone The Saudi Arabian–Iraqi neutral zone was an area of on the border between Saudi Arabia and Iraq within which the border between the two countries had not been settled. The neutral zone came into existence following the Uqair Protocol of 19 ...
is officially recognized as being disbanded, it had been ''
de facto ''De facto'' ( ; , "in fact") describes practices that exist in reality, whether or not they are officially recognized by laws or other formal norms. It is commonly used to refer to what happens in practice, in contrast with ''de jure'' ("by la ...
'' disbanded since 1981. * 1994 — Under the Oslo Agreements,
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
transferred parts of the
West Bank The West Bank ( ar, الضفة الغربية, translit=aḍ-Ḍiffah al-Ġarbiyyah; he, הגדה המערבית, translit=HaGadah HaMaʽaravit, also referred to by some Israelis as ) is a landlocked territory near the coast of the Mediter ...
(Areas "A" and "B") and the majority of the
Gaza Strip The Gaza Strip (;The New Oxford Dictionary of English (1998) – p.761 "Gaza Strip /'gɑːzə/ a strip of territory under the control of the Palestinian National Authority and Hamas, on the SE Mediterranean coast including the town of Gaza.. ...
to the rule of the
Palestinian National Authority The Palestinian National Authority (PA or PNA; ar, السلطة الوطنية الفلسطينية '), commonly known as the Palestinian Authority and officially the State of Palestine,
. * 1997, July 1 —
Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China ( abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delt ...
transferred to
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
by the UK as a special administrative region. * 1999, December 20 —
Macau Macau or Macao (; ; ; ), officially the Macao Special Administrative Region of the People's Republic of China (MSAR), is a city and special administrative region of China in the western Pearl River Delta by the South China Sea. With a pop ...
transferred to
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
by
Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...
as a special administrative region. * 2002, May 20 —
East Timor East Timor (), also known as Timor-Leste (), officially the Democratic Republic of Timor-Leste, is an island country in Southeast Asia. It comprises the eastern half of the island of Timor, the exclave of Oecusse on the island's north-weste ...
gains independence 3 years after the end of its occupation by
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
. * 2004 —
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
ceded Tarabarov Island and eastern part of
Bolshoy Ussuriysky Island Bolshoi Ussuriysky Island (russian: Большо́й Уссури́йский о́стров Bol'shoy Ussuriyskiy Ostrov), or Heixiazi Island (; lit. "black blind island"), is a sedimentary island at the confluence of the Ussuri and ...
to China as part of permanent border demarcation. * 2005, August —
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
dismantles its settlements in the
Gush Katif Gush Katif ( he, גוש קטיף, , Harvest Bloc) was a bloc of 17 Israeli settlements in the southern Gaza strip. In August 2005, the Israeli army forcibly removed the 8,600 residents of Gush Katif from their homes after a decision from the Ca ...
region of the
Gaza Strip The Gaza Strip (;The New Oxford Dictionary of English (1998) – p.761 "Gaza Strip /'gɑːzə/ a strip of territory under the control of the Palestinian National Authority and Hamas, on the SE Mediterranean coast including the town of Gaza.. ...
, and the remainder of the Gaza Strip, most of which had already been transferred to Palestinian rule in 1994, becomes administered by the
Palestinian Authority The Palestinian National Authority (PA or PNA; ar, السلطة الوطنية الفلسطينية '), commonly known as the Palestinian Authority and officially the State of Palestine,
, until 2007 when the territory is seized by the military wing of
Hamas Hamas (, ; , ; an acronym of , "Islamic Resistance Movement") is a Palestinian Sunni-Islamic fundamentalist, militant, and nationalist organization. It has a social service wing, Dawah, and a military wing, the Izz ad-Din al-Qassam Bri ...
in a violent coup d'état. * 2005 —
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
dismantles its settlements in the Northern Samaria region of the
West Bank The West Bank ( ar, الضفة الغربية, translit=aḍ-Ḍiffah al-Ġarbiyyah; he, הגדה המערבית, translit=HaGadah HaMaʽaravit, also referred to by some Israelis as ) is a landlocked territory near the coast of the Mediter ...
. * 2015, June — The India–Bangladesh border is removed of most of its enclaves and exclaves. * 2021, November — The Qatar-Saudi border was demarcated, giving Qatar access to the entirety of
Khawr al Udayd Khawr al Udayd, ( ar, خور العديد; also spelled Khor al Adaid and Khor al-‘Udeid) is a settlement and inlet of the Persian Gulf located in Al Wakrah Municipality in southeast Qatar, on the border with Saudi Arabia. It is known to loca ...


Europe

* 1918 —
Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by R ...
,
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
,
Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...
,
Lithuania Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. Lithuania ...
,
Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...
,
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
,
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''Ox ...
and
Azerbaijan Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of th ...
declare their independence from the
Russian Empire The Russian Empire was an empire and the final period of the Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended the Great Northern War. ...
. Russia recognises the independence of
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
, declared in 1917. The Kingdom of Slovenes, Croats and Serbs (later known as the
Kingdom of Yugoslavia The Kingdom of Yugoslavia ( sh-Latn-Cyrl, separator=" / ", Kraljevina Jugoslavija, Краљевина Југославија; sl, Kraljevina Jugoslavija) was a state in Southeast Europe, Southeast and Central Europe that existed from 1918 unt ...
) is formed. * 1919–20 — After the dissolution of
Austria-Hungary Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...
, the fates of the successor states are decided by the
Treaty of Saint-Germain A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal pers ...
signed September 10, 1919, and by the
Treaty of Trianon The Treaty of Trianon (french: Traité de Trianon, hu, Trianoni békeszerződés, it, Trattato del Trianon) was prepared at the Paris Peace Conference (1919–1920), Paris Peace Conference and was signed in the Grand Trianon château in ...
signed June 4, 1920, respectively. This results in
Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
and
Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia a ...
with reduced borders, while
Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
is formed from their former territories. Other territories of the former monarchy are additionally awarded to
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
,
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
,
Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
and the newly formed
Kingdom of Serbs, Croats and Slovenes Kingdom commonly refers to: * A monarchy ruled by a king or queen * Kingdom (biology), a category in biological taxonomy Kingdom may also refer to: Arts and media Television * ''Kingdom'' (British TV series), a 2007 British television drama s ...
. In 1919,
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
suffers substantial territorial losses in the
Treaty of Versailles The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June ...
.
Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...
receives
Neutral Moresnet Neutral Moresnet (, , , ) was a small Belgian–Prussian condominium in western Europe that existed from 1816 to 1920 and was administered jointly by the United Kingdom of the Netherlands (Belgium after its independence in 1830) and the Kingdom ...
and three German cantons as compensation for extensive damage during World War I. These three cantons still form the German speaking community of Belgium: Eupen, Malmedy and Sankt Vith.
Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Danish Realm, Kingdom of Denmark ...
receives
Northern Schleswig South Jutland County ( Danish: ''Sønderjyllands Amt'') is a former county ( Danish: ''amt'') on the south-central portion of the Jutland Peninsula in southern Denmark. The county was formed on 1 April 1970, comprising the former counties of A ...
from Germany (with local
plebiscites A referendum (plural: referendums or less commonly referenda) is a direct vote by the electorate on a proposal, law, or political issue. This is in contrast to an issue being voted on by a representative. This may result in the adoption of a ...
concluding in 1920). Most of the Prussian provinces of Posen and of
West Prussia The Province of West Prussia (german: Provinz Westpreußen; csb, Zôpadné Prësë; pl, Prusy Zachodnie) was a province of Prussia from 1773 to 1829 and 1878 to 1920. West Prussia was established as a province of the Kingdom of Prussia in 177 ...
go to Poland. The east part of
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, located ...
and the area of Soldau in
East Prussia East Prussia ; german: Ostpreißen, label=Low Prussian; pl, Prusy Wschodnie; lt, Rytų Prūsija was a province of the Kingdom of Prussia from 1773 to 1829 and again from 1878 (with the Kingdom itself being part of the German Empire from 187 ...
are annexed to Poland as well. Danzig and
Saarland The Saarland (, ; french: Sarre ) is a state of Germany in the south west of the country. With an area of and population of 990,509 in 2018, it is the smallest German state in area apart from the city-states of Berlin, Bremen, and Hamburg, and ...
fall under the control of the
League of Nations The League of Nations (french: link=no, Société des Nations ) was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference that ...
. The
Memel territory Memel, a name derived from the Couronian-Latvian ''memelis, mimelis, mēms'' for "mute, silent", may refer to: *Memel, East Prussia, Germany, now Klaipėda, Lithuania **Memelburg, ( Klaipėda Castle), the ''Ordensburg'' in Memel, a castle built in ...
comes under a temporary French administration. * 1920 —
Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...
is promised most of eastern
Thrace Thrace (; el, Θράκη, Thráki; bg, Тракия, Trakiya; tr, Trakya) or Thrake is a geographical and historical region in Southeast Europe, now split among Bulgaria, Greece, and Turkey, which is bounded by the Balkan Mountains to t ...
as well as
Ionia Ionia () was an ancient region on the western coast of Anatolia, to the south of present-day Izmir. It consisted of the northernmost territories of the Ionian League of Greek settlements. Never a unified state, it was named after the Ionian ...
with the city of
İzmir İzmir ( , ; ), also spelled Izmir, is a metropolitan city in the western extremity of Anatolia, capital of the province of the same name. It is the third most populous city in Turkey, after Istanbul and Ankara and the second largest urban agglo ...
(
Smyrna Smyrna ( ; grc, Σμύρνη, Smýrnē, or , ) was a Greek city located at a strategic point on the Aegean coast of Anatolia. Due to its advantageous port conditions, its ease of defence, and its good inland connections, Smyrna rose to promi ...
) in the
Treaty of Sèvres The Treaty of Sèvres (french: Traité de Sèvres) was a 1920 treaty signed between the Allies of World War I and the Ottoman Empire. The treaty ceded large parts of Ottoman territory to France, the United Kingdom, Greece and Italy, as well ...
.
Soviet Russia The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
invades and occupies
Azerbaijan Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of th ...
.
Soviet Russia The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
recognizes the independence of
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
.
Soviet Russia The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
invades and occupies
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''Ox ...
. The Free State of Fiume is established as a result of an Italo–Yugoslav border dispute. * 1921 — As a result of winning a war against Soviet Russia,
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
gains territories east of the
Curzon Line The Curzon Line was a proposed demarcation line between the Second Polish Republic and the Russian Soviet Federative Socialist Republic, Soviet Union, two new states emerging after World War I. It was first proposed by George Curzon, 1st Marque ...
, inhabited essentially by Lithuanians, Belorussians, Poles, and Ukrainians. * 1921 —
Soviet Russia The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
invades and occupies
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
. The
Treaty of Kars The Treaty of Kars ( tr, Kars Antlaşması, rus, Карсский договор, Karskii dogovor, ka, ყარსის ხელშეკრულება, hy, Կարսի պայմանագիր, az, Qars müqaviləsi) was a treaty that est ...
rearranges the borders in the
South Caucasus The South Caucasus, also known as Transcaucasia or the Transcaucasus, is a geographical region on the border of Eastern Europe and Western Asia, straddling the southern Caucasus Mountains. The South Caucasus roughly corresponds to modern Arme ...
, considerable territories of
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
and
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''Ox ...
are ceded to
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...
. * 1922 — The Soviet Union is officially formed under the
Treaty on the Creation of the USSR hy, ԽՍՀՄ ձեւավորման մասին պայմանագիր az, SSRİ-nin formalaşması haqqında müqavilə ka, ხელშეკრულება სსრკ-ს ფორმირების შესახებ , image ...
. In December, the
Irish Free State The Irish Free State ( ga, Saorstát Éireann, , ; 6 December 192229 December 1937) was a state established in December 1922 under the Anglo-Irish Treaty of December 1921. The treaty ended the three-year Irish War of Independence between th ...
and
United Kingdom of Great Britain and Northern Ireland The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
are formed from the
United Kingdom of Great Britain and Ireland The United Kingdom of Great Britain and Ireland was a sovereign state in the British Isles that existed between 1801 and 1922, when it included all of Ireland. It was established by the Acts of Union 1800, which merged the Kingdom of Great B ...
. The United Kingdom maintains
Treaty Ports Treaty ports (; ja, 条約港) were the port cities in China and Japan that were opened to foreign trade mainly by the unequal treaties forced upon them by Western powers, as well as cities in Korea opened up similarly by the Japanese Empire. ...
at
Berehaven Castletownbere () is a town in County Cork in Ireland. It is located on the Beara Peninsula by Berehaven Harbour. It is also known as Castletown Berehaven. A regionally important fishing port, the town also serves as a commercial and retail hub ...
,
Cobh Cobh ( ,), known from 1849 until 1920 as Queenstown, is a seaport town on the south coast of County Cork, Ireland. With a population of around 13,000 inhabitants, Cobh is on the south side of Great Island in Cork Harbour and home to Ireland's ...
, and
Lough Swilly Lough Swilly () in Ireland is a glacial fjord or sea inlet lying between the western side of the Inishowen, Inishowen Peninsula and the Fanad Peninsula, in County Donegal. Along with Carlingford Lough and Killary Harbour it is one of three glaci ...
. * 1923 — The Treaty of Sèvres is superseded by the
Treaty of Lausanne The Treaty of Lausanne (french: Traité de Lausanne) was a peace treaty negotiated during the Lausanne Conference of 1922–23 and signed in the Palais de Rumine, Lausanne, Switzerland, on 24 July 1923. The treaty officially settled the conflic ...
under which Greece loses its earlier territorial gains and the borders of modern
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...
are established.
Western Thrace Western Thrace or West Thrace ( el, υτικήΘράκη, '' ytikíThráki'' ; tr, Batı Trakya; bg, Западна/Беломорска Тракия, ''Zapadna/Belomorska Trakiya''), also known as Greek Thrace, is a Geography, geograp ...
is ceded by
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...
to
Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...
, a decision earlier agreed upon in the 1919
Treaty of Neuilly-sur-Seine The Treaty of Neuilly-sur-Seine (french: Traité de Neuilly-sur-Seine) required Bulgaria to cede various territories, after Bulgaria had been one of the Central Powers defeated in World War I. The treaty was signed on 27 November 1919 at Neuilly ...
. On the Baltic sea, Lithuania annexes the Memel territory without plebiscite. Italian military forces take control of the Greek island of
Corfu Corfu (, ) or Kerkyra ( el, Κέρκυρα, Kérkyra, , ; ; la, Corcyra.) is a Greek island in the Ionian Sea, of the Ionian Islands, and, including its small satellite islands, forms the margin of the northwestern frontier of Greece. The isl ...
. * 1924 — The
Treaty of Rome The Treaty of Rome, or EEC Treaty (officially the Treaty establishing the European Economic Community), brought about the creation of the European Economic Community (EEC), the best known of the European Communities (EC). The treaty was sig ...
is concluded on January 27, ending the existence of the Free State of Fiume and the Italo–Yugoslav border dispute. The treaty assigns Fiume (
Rijeka Rijeka ( , , ; also known as Fiume hu, Fiume, it, Fiume ; local Chakavian: ''Reka''; german: Sankt Veit am Flaum; sl, Reka) is the principal seaport and the third-largest city in Croatia (after Zagreb and Split). It is located in Primor ...
) to Italy and Sušak to Yugoslavia, with joint port administration. On March 16, Italy formally annexes Fiume. * 1926 — Albania cedes territory to the Kingdom of Slovenes, Croats and Serbs. * 1929 —
Vatican City Vatican City (), officially the Vatican City State ( it, Stato della Città del Vaticano; la, Status Civitatis Vaticanae),—' * german: Vatikanstadt, cf. '—' (in Austria: ') * pl, Miasto Watykańskie, cf. '—' * pt, Cidade do Vati ...
becomes independent after the signing of the
Lateran Treaty The Lateran Treaty ( it, Patti Lateranensi; la, Pacta Lateranensia) was one component of the Lateran Pacts of 1929, agreements between the Kingdom of Italy under King Victor Emmanuel III of Italy and the Holy See under Pope Pius XI to settle ...
with Italy. * 1930 —
Bouvet Island Bouvet Island ( ; or ''Bouvetøyen'') is an island claimed by Norway, and declared an uninhabited protected nature reserve. It is a subantarctic volcanic island, situated in the South Atlantic Ocean at the southern end of the Mid-Atlantic R ...
is located in the Subantarctic, and declared a Norwegian dependency after a dispute with the United Kingdom. * 1934 —
Erik the Red's Land Erik the Red's Land ( no, Eirik Raudes Land) was the name given by Norwegians to an area on the coast of eastern Greenland occupied by Norway in the early 1930s. It was named after Erik the Red, the founder of the first Norse or Viking settlemen ...
, located in the east of Greenland, is returned to Denmark. The area had been occupied by Norway since 1931, but Norway accepted that the Permanent Court of International Justice ruled against this. * 1935 — Saarland is annexed by
Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...
after a plebiscite is held. * 1938 — Austria is annexed by
Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...
in the
Anschluss The (, or , ), also known as the (, en, Annexation of Austria), was the annexation of the Federal State of Austria into the German Reich on 13 March 1938. The idea of an (a united Austria and Germany that would form a " Greater Germany ...
. The United Kingdom returns the
Treaty Ports Treaty ports (; ja, 条約港) were the port cities in China and Japan that were opened to foreign trade mainly by the unequal treaties forced upon them by Western powers, as well as cities in Korea opened up similarly by the Japanese Empire. ...
to Ireland as part of the
Anglo-Irish Trade Agreement The Anglo-Irish Trade Agreement was signed on 25 April 1938 by Ireland and the United Kingdom. It aimed to resolve the Anglo-Irish Trade War which had been on-going from 1933. Scope The prime minister Neville Chamberlain summarised the 4 possibl ...
over several months during the year. The
Munich Agreement The Munich Agreement ( cs, Mnichovská dohoda; sk, Mníchovská dohoda; german: Münchner Abkommen) was an agreement concluded at Munich on 30 September 1938, by Nazi Germany, Germany, the United Kingdom, French Third Republic, France, and Fa ...
on September 29 permits Germany to also annex the
Sudetenland The Sudetenland ( , ; Czech and sk, Sudety) is the historical German name for the northern, southern, and western areas of former Czechoslovakia which were inhabited primarily by Sudeten Germans. These German speakers had predominated in the ...
region of Czechoslovakia. The
First Vienna Award The First Vienna Award was a treaty signed on 2 November 1938 pursuant to the Vienna Arbitration, which took place at Vienna's Belvedere Palace. The arbitration and award were direct consequences of the previous month's Munich Agreement, which ...
on November 2 awards southern Slovakia and southern Subcarpathian Rus' from Czechoslovakia to Hungary, while Poland independently
annexes Annexation (Latin ''ad'', to, and ''nexus'', joining), in international law, is the forcible acquisition of one state's territory by another state, usually following military occupation of the territory. It is generally held to be an illegal act ...
Zaolzie (Těšín) shortly after. * 1939 — The Memel territory is ceded to Nazi Germany by Lithuania under pressure from
Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitue ...
on March 23. The rest of the
Czech lands The Czech lands or the Bohemian lands ( cs, České země ) are the three historical regions of Bohemia, Moravia, and Czech Silesia. Together the three have formed the Czech part of Czechoslovakia since 1918, the Czech Socialist Republic since 1 ...
is taken over by Nazi Germany: a German protectorate called
Bohemia and Moravia The Protectorate of Bohemia and Moravia; cs, Protektorát Čechy a Morava; its territory was called by the Nazis ("the rest of Czechia"). was a partially annexed territory of Nazi Germany established on 16 March 1939 following the German occ ...
is formed on the remaining Czech lands shortly after the proclamation of the
Slovak Republic Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...
. The same day, Hungary occupies and annexes the remainder of
Carpathian Ruthenia Carpathian Ruthenia ( rue, Карпатьска Русь, Karpat'ska Rus'; uk, Закарпаття, Zakarpattia; sk, Podkarpatská Rus; hu, Kárpátalja; ro, Transcarpatia; pl, Zakarpacie); cz, Podkarpatská Rus; german: Karpatenukrai ...
and by the
Slovak–Hungarian War The Slovak–Hungarian War, or Little War ( hu, Kis háború, sk, Malá vojna), was a war fought from 23 March to 31 March 1939 between the First Slovak Republic and Hungary in eastern Slovakia. Prelude After the Munich Pact, which weakened C ...
acquires further territories from Slovakia. On August 23, the
Molotov–Ribbentrop Pact , long_name = Treaty of Non-Aggression between Germany and the Union of Soviet Socialist Republics , image = Bundesarchiv Bild 183-H27337, Moskau, Stalin und Ribbentrop im Kreml.jpg , image_width = 200 , caption = Stalin and Ribbentrop shaking ...
is signed. Nazi Germany invades
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
on September 1; the Soviet Union - on September 17, regaining territories lost in 1921 in the
Polish–Soviet War The Polish–Soviet War (Polish–Bolshevik War, Polish–Soviet War, Polish–Russian War 1919–1921) * russian: Советско-польская война (''Sovetsko-polskaya voyna'', Soviet-Polish War), Польский фронт (' ...
, and a bit more. * World War II — Many boundary changes occur during the Second World War as
Axis powers The Axis powers, ; it, Potenze dell'Asse ; ja, 枢軸国 ''Sūjikukoku'', group=nb originally called the Rome–Berlin Axis, was a military coalition that initiated World War II and fought against the Allies. Its principal members were ...
and the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
re-divide the areas under their control. * 1945 — Following the war, the borders of Germany are moved west to the Oder-Neisse line, while the approximate boundary of the
Curzon Line The Curzon Line was a proposed demarcation line between the Second Polish Republic and the Russian Soviet Federative Socialist Republic, Soviet Union, two new states emerging after World War I. It was first proposed by George Curzon, 1st Marque ...
is used as the eastern border of Poland. In addition to incorporating the
Kresy Eastern Borderlands ( pl, Kresy Wschodnie) or simply Borderlands ( pl, Kresy, ) was a term coined for the eastern part of the Second Polish Republic during the interwar period (1918–1939). Largely agricultural and extensively multi-ethnic, it ...
territories, the Soviet Union also annexed the
Baltic states The Baltic states, et, Balti riigid or the Baltic countries is a geopolitical term, which currently is used to group three countries: Estonia, Latvia, and Lithuania. All three countries are members of NATO, the European Union, the Eurozone, ...
,
Carpathian Ruthenia Carpathian Ruthenia ( rue, Карпатьска Русь, Karpat'ska Rus'; uk, Закарпаття, Zakarpattia; sk, Podkarpatská Rus; hu, Kárpátalja; ro, Transcarpatia; pl, Zakarpacie); cz, Podkarpatská Rus; german: Karpatenukrai ...
from Czechoslovakia, and
Bessarabia Bessarabia (; Gagauz: ''Besarabiya''; Romanian: ''Basarabia''; Ukrainian: ''Бессара́бія'') is a historical region in Eastern Europe, bounded by the Dniester river on the east and the Prut river on the west. About two thirds of Be ...
, the
Hertsa region The Hertsa region, also known as the Hertza region ( uk, Край Герца, Kraj Herca; ro, Ținutul Herța), is a region around the town of Hertsa within Chernivtsi Raion in the southern part of Chernivtsi Oblast in southwestern Ukraine, ne ...
, and
Northern Bukovina Bukovinagerman: Bukowina or ; hu, Bukovina; pl, Bukowina; ro, Bucovina; uk, Буковина, ; see also other languages. is a historical region, variously described as part of either Central or Eastern Europe (or both).Klaus Peter Berger ...
from Romania. From Germany, the Soviet Union acquired the northeastern third of the former East Prussian exclave with the Klaipeda/Memel region becoming part of the
Lithuanian SSR The Lithuanian Soviet Socialist Republic (Lithuanian SSR; lt, Lietuvos Tarybų Socialistinė Respublika; russian: Литовская Советская Социалистическая Республика, Litovskaya Sovetskaya Sotsialistiche ...
and the bulk of the territory forming the
Kaliningrad Oblast Kaliningrad Oblast (russian: Калинингра́дская о́бласть, translit=Kaliningradskaya oblast') is the westernmost federal subject of Russia. It is a semi-exclave situated on the Baltic Sea. The largest city and administr ...
of the
Russian SFSR The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
. Additionally, Finland ceded major portions of
Karelia Karelia ( Karelian and fi, Karjala, ; rus, Каре́лия, links=y, r=Karélija, p=kɐˈrʲelʲɪjə, historically ''Korjela''; sv, Karelen), the land of the Karelian people, is an area in Northern Europe of historical significance for ...
and
Salla Salla (''Kuolajärvi'' until 1936) ( smn, Kyelijävri) is a municipality of Finland, located in Lapland. The municipality has a population of () and covers an area of of which is water. The population density is . The nearby settlement of ...
to the Soviet Union as well as islands in the
Gulf of Finland The Gulf of Finland ( fi, Suomenlahti; et, Soome laht; rus, Фи́нский зали́в, r=Finskiy zaliv, p=ˈfʲinskʲɪj zɐˈlʲif; sv, Finska viken) is the easternmost arm of the Baltic Sea. It extends between Finland to the north and E ...
, the whole
Petsamo Petsamo may refer to: * Petsamo Province, a province of Finland from 1921 to 1922 * Petsamo, Tampere, a district in Tampere, Finland * Pechengsky District, Russia, formerly known as Petsamo * Pechenga (urban-type settlement), Murmansk Oblast, Russi ...
, and a lease to use
Porkkala Porkkalanniemi ( sv, Porkala udd) is a peninsula in the Gulf of Finland, located at Kirkkonummi (Kyrkslätt) in Southern Finland. The peninsula had great strategic value, as coastal artillery based there would be able to shoot more than hal ...
as a Soviet naval base for 50 years. * 1946 —
Saarland The Saarland (, ; french: Sarre ) is a state of Germany in the south west of the country. With an area of and population of 990,509 in 2018, it is the smallest German state in area apart from the city-states of Berlin, Bremen, and Hamburg, and ...
was separated from (occupied) Germany by France and became a French protectorate on February 16 of that year but was not recognized by the
Allied Control Council The Allied Control Council or Allied Control Authority (german: Alliierter Kontrollrat) and also referred to as the Four Powers (), was the governing body of the Allied Occupation Zones in Germany and Allied-occupied Austria after the end of Wo ...
ruling entire Germany (and Austria) so it was a
disputed territory A territorial dispute or boundary dispute is a disagreement over the possession or control of land between two or more political entities. Context and definitions Territorial disputes are often related to the possession of natural resources s ...
in the
international law International law (also known as public international law and the law of nations) is the set of rules, norms, and standards generally recognized as binding between states. It establishes normative guidelines and a common conceptual framework for ...
. * 1947 — In the Paris Peace Treaties of 1947, Italy cedes the
Dodecanese The Dodecanese (, ; el, Δωδεκάνησα, ''Dodekánisa'' , ) are a group of 15 larger plus 150 smaller Greek islands in the southeastern Aegean Sea and Eastern Mediterranean, off the coast of Turkey's Anatolia, of which 26 are inhabited. ...
to
Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...
; La Brigue and Tende to France; and
Goriška Goriška is a historical region in western Slovenia on the border with Italy. It comprises the northern part of the wider traditional region of the Slovenian Littoral (''Primorska''). The name ''Goriška'' is an adjective referring to the city of ...
,
Inner Carniola Inner Carniola ( sl, Notranjska; german: Innerkrain) is a traditional region of Slovenia, the southwestern part of the larger Carniola region. It comprises the Hrušica karst plateau up to Postojna Gate, bordering the Slovenian Littoral (the ...
, most of
Istria Istria ( ; Croatian language, Croatian and Slovene language, Slovene: ; ist, Eîstria; Istro-Romanian language, Istro-Romanian, Italian language, Italian and Venetian language, Venetian: ; formerly in Latin and in Ancient Greek) is the larges ...
,
Zadar Zadar ( , ; historically known as Zara (from Venetian and Italian: ); see also other names), is the oldest continuously inhabited Croatian city. It is situated on the Adriatic Sea, at the northwestern part of Ravni Kotari region. Zadar serv ...
, its
Dalmatia Dalmatia (; hr, Dalmacija ; it, Dalmazia; see #Name, names in other languages) is one of the four historical region, historical regions of Croatia, alongside Croatia proper, Slavonia, and Istria. Dalmatia is a narrow belt of the east shore of ...
n islands (such as
Cres Cres (; dlm, Crepsa, vec, Cherso, it, Cherso, la, Crepsa, Greek: Χέρσος, ''Chersos'') is an Adriatic island in Croatia. It is one of the northern islands in the Kvarner Gulf and can be reached via ferry from Rijeka, the island Kr ...
and
Lastovo Lastovo (; it, Lagosta, german: Augusta, la, Augusta Insula, el, Ladestanos, Illyrian: ''Ladest'') is an island municipality A municipality is usually a single administrative division having corporate status and powers of self-governm ...
), and Rijeka (Fiume) to the newly established
Socialist Federal Republic of Yugoslavia The Socialist Federal Republic of Yugoslavia, commonly referred to as SFR Yugoslavia or simply as Yugoslavia, was a country in Central and Southeast Europe. It emerged in 1945, following World War II, and lasted until 1992, with the breakup of Yug ...
.
Trieste Trieste ( , ; sl, Trst ; german: Triest ) is a city and seaport in northeastern Italy. It is the capital city, and largest city, of the autonomous region of Friuli Venezia Giulia, one of two autonomous regions which are not subdivided into provi ...
becomes the capital city of the
Free Territory of Trieste The Free Territory of Trieste was an independent territory in Southern Europe between northern Italy and Yugoslavia, facing the north part of the Adriatic Sea, under direct responsibility of the United Nations Security Council in the aftermath ...
established as an independent sovereign state at the coming into force of the treaty (September 15). * 1948 — Following the signal of the Moscow Protocol of 1948, the Soviet Union formally annexes some Danubian islands and the Snake Island in the Black Sea from Romania. * 1949 — April 23,
West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...
cedes the villages Elten, Tüddern, and some smaller localities to the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
(reverted in 1963). * 1949 — May 23, the West Germany, Federal Republic of Germany (West Germany) is formed. * 1949 — October 7, the East Germany, German Democratic Republic (East Germany) is established. * 1951 — February 15, Polish and Soviet 1951 Polish–Soviet territorial exchange, border exchange along the border of the Ukrainian Soviet Socialist Republic, Ukrainian SSR. * 1952 — Italy and Switzerland sign an agreement to modify the border in the zone of Lago di Lei * 1954 — The
Free Territory of Trieste The Free Territory of Trieste was an independent territory in Southern Europe between northern Italy and Yugoslavia, facing the north part of the Adriatic Sea, under direct responsibility of the United Nations Security Council in the aftermath ...
is dissolved and divided between Yugoslavia and Italy. * 1955, July 27 — The Austrian State Treaty comes into force, establishing an independent Austrian state from the four occupation zones of the Allied powers. * 1956 — The Soviet Union returns
Porkkala Porkkalanniemi ( sv, Porkala udd) is a peninsula in the Gulf of Finland, located at Kirkkonummi (Kyrkslätt) in Southern Finland. The peninsula had great strategic value, as coastal artillery based there would be able to shoot more than hal ...
to
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
. * 1957 — The Saar (protectorate), Saar Protectorate is incorporated into
West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...
as its state by plebiscite, having previously bordered Luxembourg, France and West Germany. * 1960 — Cyprus declares its independence from the United Kingdom; the Sovereign Base Areas of Akrotiri and Dhekelia are established on the island by the United Kingdom under the latter's control. * 1961 — An adjustment to the Meuse river between The Netherlands and
Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...
results in three small packages of land being exchanged between the two countries. * 1964 — Malta becomes independent from the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
. * 1972 — The
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
formally annexes Rockall (by the Island of Rockall Act 1972, declaring it to be part of Scotland). Ireland does not recognise the UK's territorial claim to Rockall. * 1974 — After an attempted Greek Cypriot coup d'état, coup sponsored by the Greek military junta of 1967–1974, Greek military junta of that period, Turkey Turkish invasion of Cyprus, invades and occupies one-third of Cyprus. * 1983 — The Turkish Republic of Northern Cyprus is declared but is not recognised by any country except Turkey. * 1990 — East Germany German reunification, unites with West Germany on October 3. Transnistria declares independence from the Moldavian SSR but is not recognised by any country. * 1991 —
Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...
,
Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...
and
Lithuania Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. Lithuania ...
restore their independence from Soviet occupation of the Baltic states, Soviet occupation. With the complete dissolution of the Soviet Union, it is split up into a further 12 Post-Soviet states, independent states, including the European states of
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
, Belarus, Ukraine, Moldova, Georgia (country), Georgia, Armenia and Azerbaijan. The independence of all the former Soviet republics is recognised by December 26 (except the Baltic states, which the Soviet Union recognized on September 6). Slovenia (June 25) including the former "zone B" of the
Free Territory of Trieste The Free Territory of Trieste was an independent territory in Southern Europe between northern Italy and Yugoslavia, facing the north part of the Adriatic Sea, under direct responsibility of the United Nations Security Council in the aftermath ...
, Croatia (June 25), and the North Macedonia, Republic of Macedonia (September 8) all declare their independence from Socialist Federal Republic of Yugoslavia, Yugoslavia. Croatia and Slovenia are formally recognized on January 15, 1992 and Macedonia in April 1993. * 1992 — Republic of Bosnia and Herzegovina, Bosnia and Herzegovina declares independence from Yugoslavia on March 1 and is formally recognised on April 6. A civil war breaks out, and as the result of the war, two largely autonomous entities are formed: Federation of Bosnia and Herzegovina and Republika Srpska. The remaining of Yugoslavia becomes the Serbia and Montenegro, Federal Republic of Yugoslavia (renamed to Serbia and Montenegro in 2003). * 1993, January 1 —
Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
is dissolved into the Czech Republic and Slovakia in the "Dissolution of Czechoslovakia, Velvet Divorce". * 2003 —
Lithuania Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. Lithuania ...
's share of Lake Vištytis increases to about 383 ha (about 22% from 2.2%) from a new border treaty with
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
. * 2006, June 3 — The State Union of Serbia and Montenegro is dissolved following 2006 Montenegrin independence referendum, a referendum; Montenegro and Serbia each become independent states. * 2008, February 17 — Kosovo unilaterally declares independence from Serbia and is International recognition of Kosovo, recognised by just over half (101 out of 193) of UN member states. * 2014, March 18 —
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
Annexation of Crimea by the Russian Federation, annexes
Crimea Crimea, crh, Къырым, Qırım, grc, Κιμμερία / Ταυρική, translit=Kimmería / Taurikḗ ( ) is a peninsula in Ukraine, on the northern coast of the Black Sea, that has been occupied by Russia since 2014. It has a pop ...
from Ukraine, following an internationally unrecognized 2014 Crimean status referendum, plebiscite. * 2016, November 28 —
Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...
and Netherlands, the Netherlands swap land near Lanaye and Oost-Maarland over the discovery of a headless body several years prior, which the Belgian authorities could not access without crossing Dutch territory. The Belgium–Netherlands border, border has been straightened out and now runs down the centre of the Meuse River. The change took effect on 1 January 2018. * 2020 — While Nagorno-Karabakh remained an internationally recognised territory of Azerbaijan, the four UN Security Council resolutions, adopted in 1993 and demanding immediate withdrawal of the Armenian occupying forces from all occupied regions of Azerbaijan, remained unfulfilled until 2020. In 2020, a 2020 Nagorno-Karabakh war, new war erupted in the region, which saw Azerbaijan retake control of most of southern Karabakh (Fuzuli, Jabrayil, Zangilan, Qubadli, Hadrut districts) and parts of north-eastern Karabakh (Talish, Madagiz). A trilateral ceasefire agreement signed on 10 November 2020, ended the war and forced Armenia to return control of all of the remaining territories surrounding Nagorno-Karabakh." * 2022, February 21 — The State Duma of
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
passed a bill to officially recognize the self-proclaimed Donetsk People's Republic and Luhansk People's Republic in Eastern Ukraine as independent states. The bill was approved by President of Russia, President Vladimir Putin.
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
began an 2022 Russian invasion of Ukraine, invasion of Ukraine on 24 February, in a major escalation of the Russo-Ukrainian War that began in 2014. * 2022, September 30 — Russia Annexation of Southern and Eastern Ukraine, unilaterally declares the annexation of the Ukrainian oblasts of Luhansk, Donetsk, Zaporizhzhia, and Kherson. Similar to the annexation of Crimea in 2014, this border change is not recognised internationally.


North America

* 1927, April 1 — The Imperial Privy Council of the United Kingdom establishes the boundaries of the Dominion of Newfoundland and Canada, in particular, the province of Quebec, which affirmed that territories claimed by Quebec were part of Newfoundland. Previous maps showed the disputed territory as undefined. * 1949, March 31 — The Dominion of Newfoundland joins Canada. The territory is now called Newfoundland and Labrador. * 1962, August 6 — Jamaica gains independence from the United Kingdom. * 1962, August 31 — Trinidad and Tobago gains independence from the United Kingdom. * 1966, November 30 — Barbados gains independence from the United Kingdom. * 1973, July 10 — The Commonwealth of The Bahamas gains independence from the United Kingdom. * 1974, February 7 — Grenada gains independence from the United Kingdom. * 1977 — The town of Río Rico, Tamaulipas is ceded into Mexico from the US. * 1978, November 3 — The Dominica, Commonwealth of Dominica gains independence from the United Kingdom. * 1979, February 22 — Saint Lucia gains independence from the United Kingdom. * 1981, September 21 — The British self-governing colony of British Honduras gains independence as Belize. * 1981, November 25 — Antigua and Barbuda gains independence from the United Kingdom. * 1983, September 19 — St. Kitts and Nevis, The Federation of Saint Christopher and Nevis gains independence from the United Kingdom. * 1986, January 1 — Aruba secedes from the Netherlands Antilles to become a Countries of the Kingdom of the Netherlands, constituent country of the Kingdom of the Netherlands. * 1999 — Nunavut was separated officially from the Northwest Territories on April 1, 1999, via the Nunavut Act * 1999 — Panama Canal Zone returns from condominium (international law), joint US–Panamanian control to Panamanian control. A previous important development was the 1979 change from US control to joint US–Panama control, with plans for full Panamanian sovereignty at some point after that. * 2010 — The Netherlands Antilles is Dissolution of the Netherlands Antilles, dissolved, as Curaçao and Sint Maarten become Countries of the Kingdom of the Netherlands, constituent countries of the Kingdom of the Netherlands, while Bonaire, Saba (island), Saba and Sint Eustatius become Caribbean Netherlands, special municipalities of the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
. * 2022, June 14 — Hans Island is split between Canada and the Danish territory of Greenland.


Oceania

* 1946 — United States formally mandate South Seas Mandate from Japan, becomes the Trust Territory of the Pacific Islands * 1949, July — The Territory of New Guinea joins with the Australian Territory of Papua to form The Territory of Papua and New Guinea.Timeline: Papua New Guinea
''BBC News Online'', May 5, 2009
The union is an administrative one only and does not affect the separate position of the Territory of New Guinea as a territory governed by Australia as a United Nations trust territory. * 1955, November 23 — The Cocos (Keeling) Islands transferred from British Singapore, Singapore to Australia. * 1957 — Christmas Island transferred from British Singapore, Singapore to Australia. * 1969 — West Papua (region), Western Papua becomes part of
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
under the 1969 Act of Free Choice. *1974 — A 1974 Ellice Islands self-determination referendum, referendum is held in the British colony of the Gilbert and Ellice Islands. Per the results of the referendum, the colony was divided into two. *1975, September 16 — The Territory of New Guinea and the Territory of Papua which were in an administrative union under Australian governance with the name Papua New Guinea are unified as a single sovereign country called the Independent State of Papua New Guinea. * 1978, July 7 — The British colony of the British Solomon Islands gains independence as the Solomon Islands. * 1978, October 1 — The British colony of the Gilbert and Ellice Islands, Ellice Islands gains independence as Tuvalu. * 1978 — The Northern Mariana Islands breaks away from the Trust Territory of the Pacific Islands, becomes a U.S. Commonwealth (U.S. insular area), Commonwealth. * 1979 — The Marshall Islands leaves the Trust Territory of the Pacific Islands, becomes an independent country while also an associated state with the U.S. * 1979 — The Federated States of Micronesia formed from part of the Trust Territory of the Pacific, also independent as an associated state with the U.S. *1979 — The British colony of the Gilbert and Ellice Islands, Gilbert Islands gains independence as the Kiribati, Republic of Kiribati. * 1980 — The New Hebrides, Anglo-French New Hebrides Condominium gains independence as the Vanuatu, Republic of Vanuatu. * 1994 — The Palau, Republic of Palau is formed from the remainder of the Trust Territory of the Pacific, as an independent state associated with the U.S.


South America

* 1938 — A ceasefire signed between Paraguay and Bolivia awards Paraguay three-quarters of the Chaco Boreal which it took over during the Chaco War (1932–35). * 1941 — The Rio Protocol recognises Peru as having control of the territory it won in the Ecuadorian–Peruvian War. * 1966, May 26 — The colony of British Guiana gains independence from the United Kingdom as Guyana (1966–1970), Guyana. * 1975, November 25 — The Dutch constituent country of Suriname (Kingdom of the Netherlands), Suriname gains independence from the Kingdom of the Netherlands as the Suriname, Republic of Suriname.


World maps showing borders

(Click to enlarge) BlankMap-World-WWI.PNG, National boundaries around the time of the start of the First World War (1914) BlankMap-World-WWII.PNG, Boundaries during the Second World War in November 1942, at the height of Axis power, especially in Europe. BlankMap-World 1985.svg, National boundaries in 1985, during the Cold War BlankMap-World.svg, Present-day boundaries


See also

*Timeline of geopolitical changes (1900−1999) *Timeline of geopolitical changes (2000−present) *List of border conflicts


References

{{DEFAULTSORT:List Of National Border Changes Since World War I Border-related lists, Changes since World War I 20th century in international relations 21st century in international relations