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In the
history of the 20th century Following the 19th century, the 20th century changed the world in unprecedented ways. The World Wars sparked tension between countries and led to the creation of atomic bombs, the Cold War led to the Space Race and creation of space-based rockets ...
, the interwar period (or interbellum) lasted from 11November 1918 to 1September 1939 (20years, 9months, 21days) – from the end of
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 ...
(WWI) to the beginning of
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
(WWII). It was relatively short, yet featured many social, political, military, and economic changes throughout the world. Petroleum-based energy production and associated mechanisation led to the prosperous
Roaring Twenties The Roaring Twenties, sometimes stylized as Roaring '20s, refers to the 1920s decade in music and fashion, as it happened in Western society and Western culture. It was a period of economic prosperity with a distinctive cultural edge in the U ...
, a time of
social Social organisms, including human(s), live collectively in interacting populations. This interaction is considered social whether they are aware of it or not, and whether the exchange is voluntary or not. Etymology The word "social" derives from ...
and
economic mobility Economic mobility is the ability of an individual, family or some other group to improve (or lower) their economic status—usually measured in income. Economic mobility is often measured by movement between income quintiles. Economic mobility ...
for the
middle class The middle class refers to a class of people in the middle of a social hierarchy, often defined by occupation, income, education, or social status. The term has historically been associated with modernity, capitalism and political debate. Commo ...
.
Automobile A car or automobile is a motor vehicle with Wheel, wheels. Most definitions of ''cars'' say that they run primarily on roads, Car seat, seat one to eight people, have four wheels, and mainly transport private transport#Personal transport, pe ...
s,
electric lighting An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Lamps usually have a base made of ceramic, metal, glass, or plastic, which secures the lamp in the soc ...
,
radio Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmit ...
, and more became common among populations in the
first world The concept of First World originated during the Cold War and comprised countries that were under the influence of the United States and the rest of NATO and opposed the Soviet Union and/or communism during the Cold War. Since the collapse of ...
. The era's indulgences were followed by the
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
, an unprecedented worldwide economic downturn that severely damaged many of the world's largest economies. Politically, the era coincided with the rise of
communism Communism (from Latin la, communis, lit=common, universal, label=none) is a far-left sociopolitical, philosophical, and economic ideology and current within the socialist movement whose goal is the establishment of a communist society, a s ...
, starting in Russia with the
October Revolution The October Revolution,. officially known as the Great October Socialist Revolution. in the Soviet Union, also known as the Bolshevik Revolution, was a revolution in Russia led by the Bolshevik Party of Vladimir Lenin that was a key moment ...
and
Russian Civil War , date = October Revolution, 7 November 1917 – Yakut revolt, 16 June 1923{{Efn, The main phase ended on 25 October 1922. Revolt against the Bolsheviks continued Basmachi movement, in Central Asia and Tungus Republic, the Far East th ...
, at the end of WWI, and ended with the rise of
fascism Fascism is a far-right, authoritarian, ultra-nationalist political ideology and movement,: "extreme militaristic nationalism, contempt for electoral democracy and political and cultural liberalism, a belief in natural social hierarchy an ...
, particularly in Germany and Italy. China was in the midst of a half-century of instability and 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 ...
between the
Kuomintang The Kuomintang (KMT), also referred to as the Guomindang (GMD), the Nationalist Party of China (NPC) or the Chinese Nationalist Party (CNP), is a major political party in the Republic of China, initially on the Chinese mainland and in Tai ...
and the
Chinese Communist Party The Chinese Communist Party (CCP), officially the Communist Party of China (CPC), is the founding and One-party state, sole ruling party of the China, People's Republic of China (PRC). Under the leadership of Mao Zedong, the CCP emerged victoriou ...
. The empires of
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 ...
,
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
, and others faced challenges as
imperialism Imperialism is the state policy, practice, or advocacy of extending power and dominion, especially by direct territorial acquisition or by gaining political and economic control of other areas, often through employing hard power (economic and ...
was increasingly viewed negatively and independence movements emerged in many colonies; in Europe, after protracted low-level fighting most of Ireland became independent. The
Russian Russian(s) refers to anything related to Russia, including: *Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *Rossiyane (), Russian language term for all citizens and peo ...
, Ottoman,
Austro-Hungarian 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 ...
, and
German Empire The German Empire (),Herbert Tuttle wrote in September 1881 that the term "Reich" does not literally connote an empire as has been commonly assumed by English-speaking people. The term literally denotes an empire – particularly a hereditary ...
s were dismantled, with the Ottoman territories and
German colonies German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...
redistributed among the
Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
, chiefly Britain and France. The western parts of the Russian Empire,
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 ...
,
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 ...
,
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 ...
, and
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 ...
became independent nations in their own right, 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 ...
(now
Moldova Moldova ( , ; ), officially the Republic of Moldova ( ro, Republica Moldova), is a Landlocked country, landlocked country in Eastern Europe. It is bordered by Romania to the west and Ukraine to the north, east, and south. The List of states ...
and parts of
Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...
) chose to reunify with
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 ...
. In Russia, the
Bolsheviks 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 ...
managed to regain control of Belarus and Ukraine, Central Asia, and the Caucasus, forming 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 ...
. In the
Near East The ''Near East''; he, המזרח הקרוב; arc, ܕܢܚܐ ܩܪܒ; fa, خاور نزدیک, Xāvar-e nazdik; tr, Yakın Doğu is a geographical term which roughly encompasses a transcontinental region in Western Asia, that was once the hist ...
,
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 ...
and
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 ...
gained independence. During the
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
, countries in
Latin America Latin America or * french: Amérique Latine, link=no * ht, Amerik Latin, link=no * pt, América Latina, link=no, name=a, sometimes referred to as LatAm is a large cultural region in the Americas where Romance languages — languages derived f ...
nationalised many foreign companies (most of which belonged to 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 ...
) in a bid to strengthen their own economies. The territorial ambitions of the Soviets, Japanese, Italians, and Germans led to the expansion of their domains. Militarily, the period would see a markedly rapid advance in technology which, alongside lessons learned from WWI, would catalyze new strategic and tactical innovations. While the period would largely see a continuation of the development of the technologies pioneered in WWI, debates emerged as to the most effective use of these advancements. On land, discussions focused on how
armoured Armour (British English) or armor (American English; see spelling differences) is a covering used to protect an object, individual, or vehicle from physical injury or damage, especially direct contact weapons or projectiles during combat, or fr ...
, mechanized, and motorized forces should be employed, particularly in-relation to the 'traditional' branches of the regular infantry,
horse cavalry Historically, cavalry (from the French word ''cavalerie'', itself derived from "cheval" meaning "horse") are soldiers or warriors who fight mounted on horseback. Cavalry were the most mobile of the combat arms, operating as light cavalry ...
, and
artillery Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during siege ...
. In the air, the question of allocating
air forces An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an ar ...
to
strategic bombing Strategic bombing is a military strategy used in total war with the goal of defeating the enemy by destroying its morale, its economic ability to produce and transport materiel to the theatres of military operations, or both. It is a systematica ...
versus dedicating such forces to frontline
close air support In military tactics, close air support (CAS) is defined as air action such as air strikes by fixed or rotary-winged aircraft against hostile targets near friendly forces and require detailed integration of each air mission with fire and moveme ...
was the primary contention, with some arguing that
interceptor Interceptor may refer to: Vehicles * Interceptor aircraft (or simply "interceptor"), a type of point defense fighter aircraft designed specifically to intercept and destroy enemy aircraft * Ford Crown Victoria Police Interceptor, a police car * ...
development was outpacing
bombers A bomber is a military combat aircraft designed to attack ground and naval targets by dropping air-to-ground weaponry (such as bombs), launching torpedoes, or deploying air-launched cruise missiles. The first use of bombs dropped from an aircraf ...
, and others maintaining that "
the bomber will always get through "The bomber will always get through" was a phrase used by Stanley Baldwin in a 1932 speech "A Fear for the Future" given to the British Parliament. His speech stated that contemporary bomber aircraft had the performance necessary to conduct a s ...
." In the
naval A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral zone, littoral, or ocean-borne combat operations and ...
sphere, the primary question was whether
battleships A battleship is a large armored warship with a main battery consisting of large caliber guns. It dominated naval warfare in the late 19th and early 20th centuries. The term ''battleship'' came into use in the late 1880s to describe a type of ...
would maintain their dominance of the seas or be rendered virtually obsolete by
naval aviation Naval aviation is the application of military air power by navies, whether from warships that embark aircraft, or land bases. Naval aviation is typically projected to a position nearer the target by way of an aircraft carrier. Carrier-based a ...
. The military deliberations and controversies characteristic of the interwar period would ultimately find resolution via the events of WWII, which served as a foundation for many of the tenets,
doctrines Doctrine (from la, doctrina, meaning "teaching, instruction") is a codification of beliefs or a body of teachings or instructions, taught principles or positions, as the essence of teachings in a given branch of knowledge or in a belief system ...
, and strategies of
modern warfare Modern warfare is warfare that is in notable contrast with previous military concepts, methods, and technology, emphasizing how combatants must modernize to preserve their battle worthiness. As such, it is an evolving subject, seen different ...
. Overall, the innovations of WWI and the interwar period would see a shift away from 'traditional' line- and front-based warfare and towards a significantly more mobile, mechanized, and asymmetric form of combat.


Turmoil in Europe

Following the
Armistice of Compiègne The Armistice of 11 November 1918 was the armistice signed at Le Francport near Compiègne that ended fighting on land, sea, and air in World War I between the Entente and their last remaining opponent, Germany. Previous armistices ...
on 11 November 1918 that ended World War I, the years 1918–1924 were marked by turmoil as the
Russian Civil War , date = October Revolution, 7 November 1917 – Yakut revolt, 16 June 1923{{Efn, The main phase ended on 25 October 1922. Revolt against the Bolsheviks continued Basmachi movement, in Central Asia and Tungus Republic, the Far East th ...
continued to rage on, and
Eastern Europe Eastern Europe is a subregion of the Europe, European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and socio-economic connotations. The vast majority of the region is covered by Russ ...
struggled to recover from the devastation of the First World War and the destabilising effects of not just the collapse of 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. ...
, but the destruction of the
German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...
,
Austro-Hungarian 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 ...
, and
Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...
s, as well. There were numerous new or restored countries in Southern, Central, and Eastern Europe, some small in size, such as
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 ...
and
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 some larger, such as
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 ...
and the
Kingdom of Serbs, Croats, and Slovenes The Kingdom of Yugoslavia ( sh-Latn-Cyrl, separator=" / ", Kraljevina Jugoslavija, Краљевина Југославија; sl, Kraljevina Jugoslavija) was a state in Southeast and Central Europe that existed from 1918 until 1941. From 1918 ...
. 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 ...
gained dominance in world finance. Thus, when Germany could no longer afford war reparations to Britain, France and other former members of the Entente, the Americans came up with the
Dawes Plan The Dawes Plan (as proposed by the Dawes Committee, chaired by Charles G. Dawes) was a plan in 1924 that successfully resolved the issue of World War I reparations that Germany had to pay. It ended a crisis in European diplomacy following Wor ...
and Wall Street invested heavily in Germany, which repaid its reparations to nations that, in turn, used the dollars to pay off their war debts to Washington. By the middle of the decade, prosperity was widespread, with the second half of the decade known as the
Roaring Twenties The Roaring Twenties, sometimes stylized as Roaring '20s, refers to the 1920s decade in music and fashion, as it happened in Western society and Western culture. It was a period of economic prosperity with a distinctive cultural edge in the U ...
.


International relations

The important stages of interwar diplomacy and international relations included resolutions of wartime issues, such as reparations owed by Germany and boundaries; American involvement in European finances and disarmament projects; the expectations and failures 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 relationships of the new countries to the old; the distrustful relations 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 ...
to the capitalist world; peace and disarmament efforts; responses to the
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
starting in 1929; the collapse of world trade; the collapse of democratic regimes one by one; the growth of efforts at economic autarky; Japanese aggressiveness toward
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 ...
, occupying large amounts of Chinese land, as well as border disputes between the Soviet Union and Japan, leading to multiple clashes along the Soviet and Japanese occupied Manchurian border; fascist diplomacy, including the aggressive moves by Mussolini's Italy and Hitler's Germany; the
Spanish Civil War The Spanish Civil War ( es, Guerra Civil Española)) or The Revolution ( es, La Revolución, link=no) among Nationalists, the Fourth Carlist War ( es, Cuarta Guerra Carlista, link=no) among Carlists, and The Rebellion ( es, La Rebelión, lin ...
; Italy's invasion and occupation of Abyssinia (Ethiopia) in the
Horn of Africa The Horn of Africa (HoA), also known as the Somali Peninsula, is a large peninsula and geopolitical region in East Africa.Robert Stock, ''Africa South of the Sahara, Second Edition: A Geographical Interpretation'', (The Guilford Press; 2004), ...
; the
appeasement Appeasement in an international context is a diplomatic policy of making political, material, or territorial concessions to an aggressive power in order to avoid conflict. The term is most often applied to the foreign policy of the UK governm ...
of Germany's expansionist moves against the German-speaking nation of
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 ...
, the region inhabited by ethnic Germans called 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 ...
in
Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
, the remilitarisation of the League of Nations demilitarised zone of the German Rhineland region, and the last, desperate stages of rearmament as the Second World War increasingly loomed. Disarmament was a very popular public policy. However, 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 ...
played little role in this effort, with the United States and Britain taking the lead. U.S. Secretary of State
Charles Evans Hughes Charles Evans Hughes Sr. (April 11, 1862 – August 27, 1948) was an American statesman, politician and jurist who served as the 11th Chief Justice of the United States from 1930 to 1941. A member of the Republican Party, he previously was the ...
sponsored the
Washington Naval Conference The Washington Naval Conference was a disarmament conference called by the United States and held in Washington, DC from November 12, 1921 to February 6, 1922. It was conducted outside the auspices of the League of Nations. It was attended by nine ...
of 1921 in determining how many capital ships each major country was allowed. The new allocations were actually followed and there were no naval races in the 1920s. Britain played a leading role in the 1927
Geneva Naval Conference The Geneva Naval Conference was a conference held to discuss naval arms limitation, held in Geneva, Switzerland, in 1927. The aim of the conference was to extend the existing limits on naval construction which had been agreed in the Washington Na ...
and the 1930 London Conference that led to the
London Naval Treaty The London Naval Treaty, officially the Treaty for the Limitation and Reduction of Naval Armament, was an agreement between the United Kingdom, Japan, France, Italy, and the United States that was signed on 22 April 1930. Seeking to address is ...
, which added cruisers and submarines to the list of ship allocations. However the refusal of Japan, Germany, Italy and the USSR to go along with this led to the meaningless
Second London Naval Treaty The Second London Naval Treaty was an international treaty signed as a result of the Second London Naval Disarmament Conference held in London, the United Kingdom. The conference started on 9 December 1935 and the treaty was signed by the parti ...
of 1936. Naval disarmament had collapsed and the issue became rearming for a war against Germany and Japan.


Roaring Twenties

The
Roaring Twenties The Roaring Twenties, sometimes stylized as Roaring '20s, refers to the 1920s decade in music and fashion, as it happened in Western society and Western culture. It was a period of economic prosperity with a distinctive cultural edge in the U ...
highlighted novel and highly visible social and cultural trends and innovations. These trends, made possible by sustained economic prosperity, were most visible in major cities like
New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...
,
Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...
,
Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...
,
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 ...
, and
London London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a majo ...
. The Jazz Age began and
Art Deco Art Deco, short for the French ''Arts Décoratifs'', and sometimes just called Deco, is a style of visual arts, architecture, and product design, that first appeared in France in the 1910s (just before World War I), and flourished in the Unite ...
peaked. For women, knee-length skirts and dresses became socially acceptable, as did bobbed hair with a
Marcel wave Marcelling is a hair styling technique in which hot curling tongs are used to induce a curl into the hair. Its appearance was similar to that of a finger wave but it is created using a different method. Marcelled hair was a popular style for w ...
. The young women who pioneered these trends were called "
flapper Flappers were a subculture of young Western women in the 1920s who wore short skirts (knee height was considered short during that period), bobbed their hair, listened to jazz, and flaunted their disdain for what was then considered acceptab ...
s". Not all was new: "normalcy" returned to politics in the wake of hyper-emotional wartime passions in the United States, France, and Germany. The leftist revolutions in Finland, Poland, Germany, Austria, Hungary, and Spain were defeated by conservatives, but succeeded in Russia, which became the base for
Soviet communism The ideology of the Communist Party of the Soviet Union (CPSU) was Bolshevist Marxism–Leninism, an ideology of a centralised command economy with a vanguardist one-party state to realise the dictatorship of the proletariat. The Soviet Union's ...
and
Marxism–Leninism Marxism–Leninism is a communist ideology which was the main communist movement throughout the 20th century. Developed by the Bolsheviks, it was the state ideology of the Soviet Union, its satellite states in the Eastern Bloc, and various co ...
. In Italy, the
National Fascist Party The National Fascist Party ( it, Partito Nazionale Fascista, PNF) was a political party in Italy, created by Benito Mussolini as the political expression of Italian Fascism and as a reorganization of the previous Italian Fasces of Combat. The ...
came to power under
Benito Mussolini Benito Amilcare Andrea Mussolini (; 29 July 188328 April 1945) was an Italian politician and journalist who founded and led the National Fascist Party. He was Prime Minister of Italy from the March on Rome in 1922 until his deposition in 194 ...
after threatening a
March on Rome The March on Rome ( it, Marcia su Roma) was an organized mass demonstration and a coup d'état in October 1922 which resulted in Benito Mussolini's National Fascist Party (PNF) ascending to power in the Kingdom of Italy. In late October 1922, Fa ...
in 1922. Most independent countries enacted
women's suffrage Women's suffrage is the right of women to vote in elections. Beginning in the start of the 18th century, some people sought to change voting laws to allow women to vote. Liberal political parties would go on to grant women the right to vot ...
in the interwar era, including
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
in 1917 (though
Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...
held out longer),
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 ...
in 1918, and 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 ...
in 1920. There were a few major countries that held out until after the Second World War (such as France, Switzerland, and Portugal).
Leslie Hume Leslie P. Hume (nee Bryant) is an American historian and philanthropist from San Francisco, California. She has published scholarship about the place of women in the Victorian era as well as women's suffrage societies. She served as President of ...
argues: In Europe, according to Derek Aldcroft and Steven Morewood, "Nearly all countries registered some economic progress in the 1920s and most of them managed to regain or surpass their pre-war income and production levels by the end of the decade." The Netherlands, Norway, Sweden, Switzerland, and Greece did especially well, while Eastern Europe did poorly, due to the First World War and
Russian Civil War , date = October Revolution, 7 November 1917 – Yakut revolt, 16 June 1923{{Efn, The main phase ended on 25 October 1922. Revolt against the Bolsheviks continued Basmachi movement, in Central Asia and Tungus Republic, the Far East th ...
. In advanced economies the prosperity reached
middle class The middle class refers to a class of people in the middle of a social hierarchy, often defined by occupation, income, education, or social status. The term has historically been associated with modernity, capitalism and political debate. Commo ...
households and many in the
working class The working class (or labouring class) comprises those engaged in manual-labour occupations or industrial work, who are remunerated via waged or salaried contracts. Working-class occupations (see also " Designation of workers by collar colou ...
with
radio Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmit ...
,
automobiles A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarded as ...
,
telephone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into e ...
s, and
electric light An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Lamps usually have a base made of ceramic, metal, glass, or plastic, which secures the lamp in the soc ...
ing and appliances. There was unprecedented industrial growth, accelerated consumer demand and aspirations, and significant changes in lifestyle and culture. The media began to focus on celebrities, especially sports heroes and movie stars. Major cities built large sports stadiums for the fans, in addition to palatial cinemas. The mechanisation of agriculture continued apace, producing an expansion of output that lowered prices, and made many farm workers redundant. Often they moved to nearby industrial towns and cities.


Great Depression

The
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
was a severe worldwide
economic depression An economic depression is a period of carried long-term economical downturn that is result of lowered economic activity in one major or more national economies. Economic depression maybe related to one specific country were there is some economic ...
that took place after 1929. The timing varied across nations; in most countries it started in 1929 and lasted until the late 1930s. It was the longest, deepest, and most widespread depression of the 20th century. The depression originated in the United States and became worldwide news with the
stock market crash A stock market crash is a sudden dramatic decline of stock In finance, stock (also capital stock) consists of all the shares by which ownership of a corporation or company is divided.Longman Business English Dictionary: "stock - ''especia ...
of 29 October 1929 (known as
Black Tuesday The Wall Street Crash of 1929, also known as the Great Crash, was a major American stock market crash that occurred in the autumn of 1929. It started in September and ended late in October, when share prices on the New York Stock Exchange colla ...
). Between 1929 and 1932, worldwide GDP fell by an estimated 15%. By comparison, worldwide GDP fell by less than 1% from 2008 to 2009 during the
Great Recession The Great Recession was a period of marked general decline, i.e. a recession, observed in national economies globally that occurred from late 2007 into 2009. The scale and timing of the recession varied from country to country (see map). At ...
. Some economies started to recover by the mid-1930s. However, in many countries, the negative effects of the Great Depression lasted until the beginning of World War II. The Great Depression had devastating effects in countries both
rich Rich may refer to: Common uses * Rich, an entity possessing wealth * Rich, an intense flavor, color, sound, texture, or feeling ** Rich (wine), a descriptor in wine tasting Places United States * Rich, Mississippi, an unincorporated commun ...
and poor.
Personal income In economics, personal income refers to an individual's total earnings from wages, investment enterprises, and other ventures. It is the sum of all the incomes received by all the individuals or household during a given period. Personal income is ...
,
tax revenue Tax revenue is the income that is collected by governments through taxation. Taxation is the primary source of government revenue. Revenue may be extracted from sources such as individuals, public enterprises, trade, royalties on natural resou ...
, profits, and
price A price is the (usually not negative) quantity of payment or compensation given by one party to another in return for goods or services. In some situations, the price of production has a different name. If the product is a "good" in the c ...
s dropped, while
international trade International trade is the exchange of capital, goods, and services across international borders or territories because there is a need or want of goods or services. (see: World economy) In most countries, such trade represents a significant ...
plunged by more than 50%.
Unemployment in the United States Unemployment in the United States discusses the causes and measures of U.S. unemployment and strategies for reducing it. Job creation and unemployment are affected by factors such as economic conditions, global competition, education, autom ...
rose to 25% and in some countries rose as high as 33%. Prices fell sharply, especially for mining and agricultural commodities. Business profits fell sharply as well, with a sharp reduction in new business starts. Cities all around the world were hit hard, especially those dependent on
heavy industry Heavy industry is an industry that involves one or more characteristics such as large and heavy products; large and heavy equipment and facilities (such as heavy equipment, large machine tools, huge buildings and large-scale infrastructure); o ...
. Construction was virtually halted in many countries. Farming communities and rural areas suffered as crop prices fell by about 60%. Facing plummeting demand with few alternative sources of jobs, areas dependent on primary sector industries such as mining and logging suffered the most. The
Weimar Republic The Weimar Republic (german: link=no, Weimarer Republik ), officially named the German Reich, was the government of Germany from 1918 to 1933, during which it was a constitutional federal republic for the first time in history; hence it is al ...
in Germany gave way to two episodes of political and economic turmoil, the first culminated in the German hyperinflation of 1923 and the failed
Beer Hall Putsch The Beer Hall Putsch, also known as the Munich Putsch,Dan Moorhouse, ed schoolshistory.org.uk, accessed 2008-05-31.Known in German as the or was a failed coup d'état by Nazi Party ( or NSDAP) leader Adolf Hitler, Erich Ludendorff and othe ...
of that same year. The second convulsion, brought on by the worldwide depression and Germany's disastrous monetary policies, resulted in the further rise of
Nazism Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in Na ...
. In Asia,
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
became an ever more assertive power, especially with regard 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 ...
.


The rise of fascism

Democracy and prosperity largely went together in the 1920s. Economic disaster led to a distrust in the effectiveness of democracy and its collapse in much of Europe and Latin America, including the Baltic and Balkan countries, Poland, Spain, and Portugal. Powerful expansionary anti-democratic regimes emerged in Italy, Japan, and Germany.
Fascism Fascism is a far-right, authoritarian, ultra-nationalist political ideology and movement,: "extreme militaristic nationalism, contempt for electoral democracy and political and cultural liberalism, a belief in natural social hierarchy an ...
took control of the
Kingdom of Italy The Kingdom of Italy ( it, Regno d'Italia) was a state that existed from 1861, when Victor Emmanuel II of Kingdom of Sardinia, Sardinia was proclamation of the Kingdom of Italy, proclaimed King of Italy, until 1946, when civil discontent led to ...
in 1922; as the Great Depression worsened,
Nazism Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in Na ...
emerged victorious in Germany, fascism spread to many other countries in Europe, and also played a major role in several countries in Latin America. Fascist parties sprang up, attuned to local right-wing traditions, but also possessing common features that typically included extreme militaristic nationalism, a desire for economic self-containment, threats and aggression toward neighbouring countries, oppression of minorities, a ridicule of democracy while using its techniques to mobilise an angry middle-class base, and a disgust with
cultural liberalism Cultural liberalism is a social philosophy which expresses the social dimension of liberalism and advocates the freedom of individuals to choose whether to conform to cultural norms. In the words of Henry David Thoreau, it is often expressed a ...
. Fascists believed in power, violence, male superiority, and a "natural" hierarchy, often led by dictators such as
Benito Mussolini Benito Amilcare Andrea Mussolini (; 29 July 188328 April 1945) was an Italian politician and journalist who founded and led the National Fascist Party. He was Prime Minister of Italy from the March on Rome in 1922 until his deposition in 194 ...
or
Adolf Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Nazi Germany, Germany from 1933 until Death of Adolf Hitler, his death in 1945. Adolf Hitler's rise to power, He rose to power as the le ...
. Fascism in power meant that liberalism and human rights were discarded, and individual pursuits and values were subordinated to what the party decided was best.


Spanish Civil War (1936–1939)

To one degree or another, Spain had been unstable politically for centuries, and in 1936–1939 was wracked by one of the bloodiest civil wars of the 20th century. The real importance comes from outside countries. In Spain the
conservative Conservatism is a cultural, social, and political philosophy that seeks to promote and to preserve traditional institutions, practices, and values. The central tenets of conservatism may vary in relation to the culture and civilization i ...
and
Catholic The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
elements and the army revolted against the newly elected government of the
Second Spanish Republic The Spanish Republic (), commonly known as the Second Spanish Republic (), was the form of government in Spain from 1931 to 1939. The Republic was proclaimed on 14 April 1931, after the deposition of Alfonso XIII, King Alfonso XIII, and was di ...
, and full-scale civil war erupted. Fascist Italy and Nazi Germany gave munitions and strong military units to the rebel Nationalist faction, led by General
Francisco Franco Francisco Franco Bahamonde (; 4 December 1892 – 20 November 1975) was a Spanish general who led the Nationalist faction (Spanish Civil War), Nationalist forces in overthrowing the Second Spanish Republic during the Spanish Civil War ...
. The Republican (or "Loyalist") government, was on the defensive, but it received significant help from the Soviet Union and Mexico. Led by Great Britain and France, and including the United States, most countries remained neutral and refused to provide armaments to either side. The powerful fear was that this localised conflict would escalate into a European conflagration that no one wanted. The Spanish Civil War was marked by numerous small battles and sieges, and many atrocities, until the Nationalists won in 1939 by overwhelming the Republican forces. The Soviet Union provided armaments but never enough to equip the heterogeneous government militias and the "
International Brigades The International Brigades ( es, Brigadas Internacionales) were military units set up by the Communist International to assist the Popular Front government of the Second Spanish Republic during the Spanish Civil War. The organization existed f ...
" of outside
far-left Far-left politics, also known as the radical left or the extreme left, are politics further to the left on the left–right political spectrum than the standard political left. The term does not have a single definition. Some scholars consider ...
volunteers. The civil war did not escalate into a larger conflict, but did become a worldwide ideological battleground that pitted all the
Communists Communism (from Latin la, communis, lit=common, universal, label=none) is a far-left sociopolitical, philosophical, and economic ideology and current within the socialist movement whose goal is the establishment of a communist society, a so ...
and many
socialists Socialism is a left-wing economic philosophy and movement encompassing a range of economic systems characterized by the dominance of social ownership of the means of production as opposed to private ownership. As a term, it describes the eco ...
and liberals against
Catholics The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
, conservatives and fascists. Worldwide there was a decline in
pacifism Pacifism is the opposition or resistance to war, militarism (including conscription and mandatory military service) or violence. Pacifists generally reject theories of Just War. The word ''pacifism'' was coined by the French peace campaign ...
and a growing sense that another
world war A world war is an international conflict which involves all or most of the world's major powers. Conventionally, the term is reserved for two major international conflicts that occurred during the first half of the 20th century, World WarI (1914 ...
was imminent, and that it would be worth fighting for.


British Empire

The changing world order that the war had brought about, in particular the growth of the United States and Japan as naval powers, and the rise of independence movements in India and Ireland, caused a major reassessment of British imperial policy. Forced to choose between alignment with the United States or Japan, Britain opted not to renew the
Anglo-Japanese Alliance The first was an alliance between Britain and Japan, signed in January 1902. The alliance was signed in London at Lansdowne House on 30 January 1902 by Lord Lansdowne, British Foreign Secretary, and Hayashi Tadasu, Japanese diplomat. A dip ...
and instead signed the 1922
Washington Naval Treaty The Washington Naval Treaty, also known as the Five-Power Treaty, was a treaty signed during 1922 among the major Allies of World War I, which agreed to prevent an arms race by limiting naval construction. It was negotiated at the Washington Nav ...
, in which Britain accepted naval parity with the United States. The issue of the empire's security was a serious concern in Britain, as it was vital to the British pride, its finance, and its trade-oriented economy.
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 ...
strongly supported the Empire in the First World War. It expected a reward, but failed to get
self-government __NOTOC__ Self-governance, self-government, or self-rule is the ability of a person or group to exercise all necessary functions of regulation without intervention from an external authority. It may refer to personal conduct or to any form of ...
as the government was still kept in control of British hands and feared another rebellion like that of 1857. The
Government of India Act 1919 The Government of India Act 1919 (9 & 10 Geo. 5 c. 101) was an Act of the Parliament of the United Kingdom. It was passed to expand participation of Indians in the government of India. The Act embodied the reforms recommended in the report of ...
failed to satisfy demand for self-rule. Mounting tension, particularly in the
Punjab region Punjab (; Punjabi Language, Punjabi: پنجاب ; ਪੰਜਾਬ ; ; also Romanization, romanised as ''Panjāb'' or ''Panj-Āb'') is a geopolitical, cultural, and historical region in South Asia, specifically in the northern part of the I ...
, culminated in the
Amritsar Massacre The Jallianwala Bagh massacre, also known as the Amritsar massacre, took place on 13 April 1919. A large peaceful crowd had gathered at the Jallianwala Bagh in Amritsar, Punjab, British India, Punjab, to protest against the Rowlatt Act and arre ...
in 1919.
Indian nationalism Indian nationalism is an instance of territorial nationalism, which is inclusive of all of the people of India, despite their diverse ethnic, linguistic and religious backgrounds. Indian nationalism can trace roots to pre-colonial India, b ...
surged and centred in the Congress Party led by
Mohandas Gandhi Mohandas Karamchand Gandhi (; ; 2 October 1869 – 30 January 1948), popularly known as Mahatma Gandhi, was an Indian lawyer, anti-colonial nationalist Quote: "... marks Gandhi as a hybrid cosmopolitan figure who transformed ... anti- ...
. In Britain, public opinion was divided over the morality of the massacre between those who saw it as having saved India from anarchy and those who viewed it with revulsion. – 25 chapters; 845 pp Egypt had been under ''de facto'' British control since the 1880s, despite its nominal ownership by the
Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...
. In 1922, the
Kingdom of Egypt The Kingdom of Egypt ( ar, المملكة المصرية, Al-Mamlaka Al-Miṣreyya, The Egyptian Kingdom) was the legal form of the Egyptian state during the latter period of the Muhammad Ali dynasty's reign, from the United Kingdom's recog ...
was granted formal independence, though it continued to be a
client state A client state, in international relations, is a state that is economically, politically, and/or militarily subordinate to another more powerful state (called the "controlling state"). A client state may variously be described as satellite state, ...
following British guidance. Egypt joined the League of Nations. Egypt's King Fuad and his son
King Farouk Farouk I (; ar, فاروق الأول ''Fārūq al-Awwal''; 11 February 1920 – 18 March 1965) was the tenth ruler of Egypt from the Muhammad Ali dynasty and the penultimate King of Egypt and the Sudan, succeeding his father, Fuad I, in 193 ...
and their conservative allies stayed in power with lavish lifestyles thanks to an informal alliance with Britain who would protect them from both secular and Muslim radicalism.
Mandatory Iraq The Kingdom of Iraq under British Administration, or Mandatory Iraq ( ar, الانتداب البريطاني على العراق '), was created in 1921, following the 1920 Iraqi Revolt against the proposed British Mandate of Mesopotamia, an ...
, a British mandate since 1920, gained official independence as the
Kingdom of Iraq The Hashemite Kingdom of Iraq ( ar, المملكة العراقية الهاشمية, translit=al-Mamlakah al-ʿIrāqiyyah ʾal-Hāshimyyah) was a state located in the Middle East from 1932 to 1958. It was founded on 23 August 1921 as the Kingdo ...
in 1932 when King Faisal agreed to British terms of a military alliance and an assured flow of oil. In
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 ...
, Britain was presented with the problem of mediating between the
Palestinian Arabs Palestinians ( ar, الفلسطينيون, ; he, פָלַסְטִינִים, ) or Palestinian people ( ar, الشعب الفلسطيني, label=none, ), also referred to as Palestinian Arabs ( ar, الفلسطينيين العرب, label=non ...
and increasing numbers of
Jewish settlers Israeli settlements, or Israeli colonies, are civilian communities inhabited by Israeli citizens, overwhelmingly of Jewish ethnicity, built on lands occupied by Israel in the 1967 Six-Day War. The international community considers Israeli se ...
. The
Balfour Declaration The Balfour Declaration was a public statement issued by the British government in 1917 during the First World War announcing its support for the establishment of a "national home for the Jewish people" in Palestine, then an Ottoman regio ...
, which had been incorporated into the terms of the mandate, stated that a national home for the
Jewish people Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""Th ...
would be established in Palestine, and Jewish immigration allowed up to a limit that would be determined by the mandatory power. This led to increasing conflict with the Arab population, who openly revolted in 1936. As the threat of war with Germany increased during the 1930s, Britain judged the support of Arabs as more important than the establishment of a Jewish homeland, and shifted to a pro-Arab stance, limiting Jewish immigration and in turn triggering a Jewish insurgency. The Dominions (Canada, Newfoundland, Australia, New Zealand, South Africa and the Irish Free State) were self-governing and gained semi-independence in the World War, while Britain still controlled foreign policy and defence. The right of the Dominions to set their own foreign policy was recognised in 1923 and formalised by the 1931 Statute of Westminster. The Irish Free State effectively broke all ties with Britain in 1937, leaving the Commonwealth and becoming an independent republic.


French Empire

French census statistics from 1938 show an imperial population with France at over 150 million people, outside of France itself, of 102.8 million people living on 13.5 million square kilometers. Of the total population, 64.7 million lived in Africa and 31.2 million lived in Asia; 900,000 lived in the
French West Indies The French West Indies or French Antilles (french: Antilles françaises, ; gcf, label=Antillean Creole, Antiy fwansez) are the parts of France located in the Antilles islands of the Caribbean: * The two overseas departments of: ** Guadeloupe, ...
or islands in the South Pacific. The largest colonies were
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, ...
with 26.8 million (in five separate colonies),
French Algeria French Algeria (french: Alger to 1839, then afterwards; unofficially , ar, الجزائر المستعمرة), also known as Colonial Algeria, was the period of French colonisation of Algeria. French rule in the region began in 1830 with the ...
with 6.6 million, the
French protectorate in 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 ...
, with 5.4 million, and
French 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 ...
with 35.2 million in nine colonies. The total includes 1.9 million Europeans, and 350,000 "assimilated" natives.


Revolt in North Africa against Spain and France

The Berber independence leader
Abd el-Krim Muhammad ibn Abd al-Karim al-Khattabi (; Tarifit: Muḥend n Ɛabd Krim Lxeṭṭabi, ⵎⵓⵃⵏⴷ ⵏ ⵄⴰⴱⴷⵍⴽⵔⵉⵎ ⴰⵅⵟⵟⴰⴱ), better known as Abd el-Krim (1882/1883, Ajdir, Morocco – 6 February 1963, Cairo, Egypt) ...
(1882–1963) organised armed resistance against the Spanish and French for control of Morocco. The Spanish had faced unrest off and on from the 1890s, but in 1921, Spanish forces were massacred at the
Battle of Annual The Battle of Annual was fought on 22 July 1921 at Annual, in northeastern Morocco, between the Spanish Army and Rifian Berbers during the Rif War. The Spanish suffered a major military defeat, which is almost always referred to by the Spanish a ...
. El-Krim founded an independent
Rif Republic The Republic of the Rif ( Tarifit: ''Tagduda n Arrif'', ''Jumhūriyya ar-Rīf''), unofficially The Confederal Republic of the Tribes of the Rif, also recorded as the Riff, was a short-lived republic in northern Morocco that existed between 19 ...
that operated until 1926, but had no international recognition. Eventually, France and Spain agreed to end the revolt. They sent in 200,000 soldiers, forcing el-Krim to surrender in 1926; he was exiled in the Pacific until 1947. Morocco was now pacified, and became the base from which
Spanish Nationalists Francoist Spain ( es, España franquista), or the Francoist dictatorship (), was the period of Spanish history between 1939 and 1975, when Francisco Franco ruled Spain after the Spanish Civil War with the title . After his death in 1975, Spai ...
would launch their
rebellion Rebellion, uprising, or insurrection is a refusal of obedience or order. It refers to the open resistance against the orders of an established authority. A rebellion originates from a sentiment of indignation and disapproval of a situation and ...
against the
Spanish Republic The Spanish Republic (), commonly known as the Second Spanish Republic (), was the form of government in Spain from 1931 to 1939. The Republic was proclaimed on 14 April 1931, after the deposition of King Alfonso XIII, and was dissolved on 1 A ...
in 1936.


Germany


Weimar Republic

The humiliating peace terms 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 ...
provoked bitter indignation throughout Germany, and seriously weakened the new democratic regime. The Treaty stripped Germany of all of its overseas colonies, of Alsace–Lorraine, and of predominantly Polish districts. The Allied armies occupied industrial sectors in western Germany including the Rhineland, and Germany was not allowed to have a real army, navy, or air force.
Reparations Reparation(s) may refer to: Christianity * Restitution (theology), the Christian doctrine calling for reparation * Acts of reparation, prayers for repairing the damages of sin History *War reparations **World War I reparations, made from G ...
were demanded, especially by France, involving shipments of raw materials, as well as annual payments. When Germany defaulted on its reparation payments, French and Belgian troops occupied the heavily industrialised Ruhr district (January 1923). The German government encouraged the population of the Ruhr to
passive resistance Nonviolent resistance (NVR), or nonviolent action, sometimes called civil resistance, is the practice of achieving goals such as social change through symbolic protests, civil disobedience, economic or political noncooperation, satyagraha, const ...
: shops would not sell goods to the foreign soldiers, coal mines would not dig for the foreign troops, trams in which members of the occupation army had taken seat would be left abandoned in the middle of the street. The German government printed vast quantities of paper money, causing
hyperinflation In economics, hyperinflation is a very high and typically accelerating inflation. It quickly erodes the real value of the local currency, as the prices of all goods increase. This causes people to minimize their holdings in that currency as t ...
, which also damaged the
French economy 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 ...
. The passive resistance proved effective, insofar as the occupation became a loss-making deal for the French government. But the hyperinflation caused many prudent savers to lose all the money they had saved. Weimar added new internal enemies every year, as anti-democratic
Nazis Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in Na ...
,
Nationalists Nationalism is an idea and movement that holds that the nation should be congruent with the state. As a movement, nationalism tends to promote the interests of a particular nation (as in a group of people), Smith, Anthony. ''Nationalism: The ...
, and
Communists Communism (from Latin la, communis, lit=common, universal, label=none) is a far-left sociopolitical, philosophical, and economic ideology and current within the socialist movement whose goal is the establishment of a communist society, a so ...
battled each other in the streets. Germany was the first state to establish diplomatic relations with the new
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 ...
. Under the
Treaty of Rapallo Following World War I there were two Treaties of Rapallo, both named after Rapallo, a resort on the Ligurian coast of Italy: * Treaty of Rapallo, 1920, an agreement between Italy and the Kingdom of the Serbs, Croats and Slovenes (the later Yugoslav ...
, Germany accorded the Soviet Union ''de jure'' recognition, and the two signatories mutually agreed to cancel all pre-war debts and renounced war claims. In October 1925 the
Treaty of Locarno The Locarno Treaties were seven agreements negotiated at Locarno, Switzerland, during 5 to 16 October 1925 and formally signed in London on 1 December, in which the First World War Western European Allied powers and the new states of Central a ...
was signed by Germany, France, Belgium, Britain, and Italy; it recognised Germany's borders with France and Belgium. Moreover, Britain, Italy, and Belgium undertook to assist France in the case that German troops marched into the demilitarised Rhineland. Locarno paved the way for Germany's admission to 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 ...
in 1926.


Nazi era, 1933–1939

Hitler came to power in January 1933, and inaugurated an aggressive power designed to give Germany economic and political domination across central Europe. He did not attempt to recover the lost colonies. Until August 1939, the Nazis denounced Communists and the Soviet Union as the greatest enemy, along with the Jews. Hitler's diplomatic strategy in the 1930s was to make seemingly reasonable demands, threatening war if they were not met. When opponents tried to appease him, he accepted the gains that were offered, then went to the next target. That aggressive strategy worked as Germany pulled out 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 ...
, rejected the
Versailles Treaty 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 ...
, and began to rearm. Retaking the
Territory of the Saar Basin The Territory of the Saar Basin (german: Saarbeckengebiet, ; french: Territoire du bassin de la Sarre) was a region of Germany occupied and governed by the United Kingdom and France from 1920 to 1935 under a League of Nations mandate. It had its ...
in the aftermath of a
plebiscite 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 ...
that favoured returning to Germany, Hitler's Germany remilitarised the Rhineland, formed the
Pact of Steel The Pact of Steel (german: Stahlpakt, it, Patto d'Acciaio), formally known as the Pact of Friendship and Alliance between Germany and Italy, was a military and political alliance between Italy and Germany. The pact was initially drafted as a t ...
alliance with Mussolini's Italy, and sent massive military aid to Franco in the Spanish Civil War. Germany seized Austria, considered to be a German state, in 1938, and took over Czechoslovakia after 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 ...
with Britain and France. Forming a
non-aggression pact A non-aggression pact or neutrality pact is a treaty between two or more states/countries that includes a promise by the signatories not to engage in military action against each other. Such treaties may be described by other names, such as a tr ...
with the Soviet Union in August 1939,
Germany invaded Poland The invasion of Poland (1 September – 6 October 1939) was a joint attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II. The German invasion began on 1 September 1939, one week afte ...
after Poland's refusal to cede the
Free City of Danzig The Free City of Danzig (german: Freie Stadt Danzig; pl, Wolne Miasto Gdańsk; csb, Wòlny Gard Gduńsk) was a city-state under the protection of the League of Nations between 1920 and 1939, consisting of the Baltic Sea port of Danzig (now Gda ...
in September 1939. Britain and France declared war and
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
began – somewhat sooner than the Nazis expected or were ready for. After establishing the "
Rome-Berlin Axis 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 Na ...
" with
Benito Mussolini Benito Amilcare Andrea Mussolini (; 29 July 188328 April 1945) was an Italian politician and journalist who founded and led the National Fascist Party. He was Prime Minister of Italy from the March on Rome in 1922 until his deposition in 194 ...
, and signing the
Anti-Comintern Pact The Anti-Comintern Pact, officially the Agreement against the Communist International was an anti-Communist pact concluded between Nazi Germany and the Empire of Japan on 25 November 1936 and was directed against the Communist International (Com ...
with Japan – which was joined by Italy a year later in 1937 – Hitler felt able to take the offensive in foreign policy. On 12 March 1938, German troops marched into Austria, where an attempted Nazi coup had been unsuccessful in 1934. When Austrian-born Hitler entered
Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...
, he was greeted by loud cheers. Four weeks later, 99% of Austrians voted in favour of the annexation (
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 ...
) of their country Austria to the
German Reich German ''Reich'' (lit. German Realm, German Empire, from german: Deutsches Reich, ) was the constitutional name for the German nation state that existed from 1871 to 1945. The ''Reich'' became understood as deriving its authority and sovereignty ...
. After Austria, Hitler turned to
Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
, where the 3.5 million-strong
Sudeten German German Bohemians (german: Deutschböhmen und Deutschmährer, i.e. German Bohemians and German Moravians), later known as Sudeten Germans, were ethnic Germans living in the Czech lands of the Bohemian Crown, which later became an integral part ...
minority was demanding equal rights and self-government.Donald Cameron Watt, ''How war came: the immediate origins of the Second World War, 1938–1939'' (1989).R.J. Overy, ''The Origins of the Second World War'' (2014). At the
Munich Conference 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 ...
of September 1938, Hitler, the Italian leader Benito Mussolini, British Prime Minister
Neville Chamberlain Arthur Neville Chamberlain (; 18 March 18699 November 1940) was a British politician of the Conservative Party who served as Prime Minister of the United Kingdom from May 1937 to May 1940. He is best known for his foreign policy of appeasemen ...
, and French Prime Minister
Édouard Daladier Édouard Daladier (; 18 June 1884 – 10 October 1970) was a French Radical-Socialist (centre-left) politician, and the Prime Minister of France who signed the Munich Agreement before the outbreak of World War II. Daladier was born in Carpentr ...
agreed upon the cession of Sudeten territory to the German Reich by
Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
. Hitler thereupon declared that all of German Reich's territorial claims had been fulfilled. However, hardly six months after the Munich Agreement, in March 1939, Hitler used the smouldering quarrel between
Slovaks The Slovaks ( sk, Slováci, singular: ''Slovák'', feminine: ''Slovenka'', plural: ''Slovenky'') are a West Slavic ethnic group and nation native to Slovakia who share a common ancestry, culture, history and speak Slovak. In Slovakia, 4.4 mi ...
and
Czechs The Czechs ( cs, Češi, ; singular Czech, masculine: ''Čech'' , singular feminine: ''Češka'' ), or the Czech people (), are a West Slavic ethnic group and a nation native to the Czech Republic in Central Europe, who share a common ancestry, c ...
as a pretext for taking over the rest of Czechoslovakia as the
Protectorate of 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 oc ...
. In the same month, he secured the return of Memel from
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 ...
to Germany. Chamberlain was forced to acknowledge that his policy of
appeasement Appeasement in an international context is a diplomatic policy of making political, material, or territorial concessions to an aggressive power in order to avoid conflict. The term is most often applied to the foreign policy of the UK governm ...
towards Hitler had failed.


Italy

In 1922, the leader of the Italian Fascist movement,
Benito Mussolini Benito Amilcare Andrea Mussolini (; 29 July 188328 April 1945) was an Italian politician and journalist who founded and led the National Fascist Party. He was Prime Minister of Italy from the March on Rome in 1922 until his deposition in 194 ...
, was appointed
Prime Minister of Italy The Prime Minister of Italy, officially the President of the Council of Ministers ( it, link=no, Presidente del Consiglio dei Ministri), is the head of government of the Italian Republic. The office of president of the Council of Ministers is ...
after the
March on Rome The March on Rome ( it, Marcia su Roma) was an organized mass demonstration and a coup d'état in October 1922 which resulted in Benito Mussolini's National Fascist Party (PNF) ascending to power in the Kingdom of Italy. In late October 1922, Fa ...
. Mussolini resolved the question of sovereignty over 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. ...
at the 1923
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 ...
, which formalised Italian administration of both
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 the
Dodecanese Islands 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. ...
, in return for a payment 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 ...
, the successor state to the Ottoman Empire, though he failed in an attempt to extract a mandate of a portion of Iraq from Britain. The month following the ratification of the Treaty of Lausanne, Mussolini ordered the invasion 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 ...
after the
Corfu incident The Corfu Incident was a 1923 diplomatic and military crisis between Greece and Italy. It was triggered when an Italian general heading a commission to resolve a border dispute between Albania and Greece was murdered in Greek territory along w ...
. The Italian press supported the move, noting that Corfu had been a Venetian possession for four hundred years. The matter was taken by
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 ...
to 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 ...
, where Mussolini was convinced by Britain to evacuate
Royal Italian Army The Royal Italian Army ( it, Regio Esercito, , Royal Army) was the land force of the Kingdom of Italy, established with the proclamation of the Kingdom of Italy. During the 19th century Italy started to unify into one country, and in 1861 Manfre ...
troops, in return for reparations from Greece. The confrontation led Britain and Italy to resolve the question of
Jubaland Jubaland ( so, Jubbaland, ar, , it, Oltregiuba), the Juba Valley ( so, Dooxada Jubba) or Azania ( so, Asaaniya, ar, ), is a Federal Member State in southern Somalia. Its eastern border lies east of the Jubba River, stretching from Gedo t ...
in 1924, which was merged into
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 ...
. During the late 1920s, imperial expansion became an increasingly favoured theme in Mussolini's speeches. Amongst Mussolini's aims were that Italy had to become the dominant power in the Mediterranean that would be able to challenge France or Britain, as well as attain access to the
Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...
and
Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by th ...
s. Mussolini alleged that Italy required uncontested access to the world's oceans and shipping lanes to ensure its national sovereignty. This was elaborated on in a document he later drew up in 1939 called "The March to the Oceans", and included in the official records of a meeting of the
Grand Council of Fascism The Grand Council of Fascism (, also translated "Fascist Grand Council") was the main body of Mussolini's Fascist government in Italy, that held and applied great power to control the institutions of government. It was created as a body of the ...
. This text asserted that maritime position determined a nation's independence: countries with free access to the high seas were independent; while those who lacked this, were not. Italy, which only had access to an inland sea without French and British acquiescence, was only a "semi-independent nation", and alleged to be a "prisoner in the Mediterranean": In the
Balkans The Balkans ( ), also known as the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throughout the who ...
, the Fascist regime claimed
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 ...
and held ambitions over
Albania Albania ( ; sq, Shqipëri or ), or , also or . officially the Republic of Albania ( sq, Republika e Shqipërisë), is a country in Southeastern Europe. It is located on the Adriatic and Ionian Seas within the Mediterranean Sea and shares ...
,
Slovenia Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country in Central Europe. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, an ...
,
Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...
,
Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and H ...
, Macedonia, and
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 ...
based on the precedent of previous Roman dominance in these regions. Dalmatia and Slovenia were to be directly annexed into Italy while the remainder of the Balkans was to be transformed into Italian client states. The regime also sought to establish protective patron-client relationships with
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 ...
,
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 ...
,
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
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 ...
. In both 1932 and 1935, Italy demanded a
League of Nations mandate A League of Nations mandate was a legal status for certain territories transferred from the control of one country to another following World War I, or the legal instruments that contained the internationally agreed-upon terms for administ ...
of the former
German Cameroon Kamerun was an African colony of the German Empire from 1884 to 1916 in the region of today's Republic of Cameroon. Kamerun also included northern parts of Gabon and the Congo with western parts of the Central African Republic, southwestern ...
and a free hand in the
Ethiopian Empire The Ethiopian Empire (), also formerly known by the exonym Abyssinia, or just simply known as Ethiopia (; Amharic and Tigrinya: ኢትዮጵያ , , Oromo: Itoophiyaa, Somali: Itoobiya, Afar: ''Itiyoophiyaa''), was an empire that historical ...
from France in return for Italian support against Germany in the Stresa Front. This was refused by French Prime Minister
Édouard Herriot Édouard Marie Herriot (; 5 July 1872 – 26 March 1957) was a French Radical politician of the Third Republic who served three times as Prime Minister (1924–1925; 1926; 1932) and twice as President of the Chamber of Deputies. He led the ...
, who was not yet sufficiently worried about the prospect of a German resurgence. The failed resolution of the
Abyssinia Crisis The Abyssinia Crisis (; ) was an international crisis in 1935 that originated in what was called the Walwal incident during the ongoing conflict between the Kingdom of Italy and the Empire of Ethiopia (then commonly known as "Abyssinia"). The Leag ...
led to the
Second Italo-Ethiopian 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 ...
, in which Italy annexed Ethiopia to its empire. Italy's stance towards Spain shifted between the 1920s and the 1930s. The Fascist regime in the 1920s held deep antagonism towards Spain due to
Miguel Primo de Rivera Miguel Primo de Rivera y Orbaneja, 2nd Marquess of Estella (8 January 1870 – 16 March 1930), was a dictator, aristocrat, and military officer who served as Prime Minister of Spain from 1923 to 1930 during Spain's Restoration era. He deepl ...
's pro-French foreign policy. In 1926, Mussolini began aiding the Catalan separatist movement, which was led by
Francesc Macià Francesc Macià i Llussà (; 21 September 1859 – 25 December 1933) was a Spanish politician from Catalonia who served as the 122nd president of the Generalitat of Catalonia, and formerly an officer in the Spanish Army. Politically, he evolve ...
, against the Spanish government. With the rise of the left-wing Republican government replacing the
Spanish monarchy , coatofarms = File:Coat_of_Arms_of_Spanish_Monarch.svg , coatofarms_article = Coat of arms of the King of Spain , image = Felipe_VI_in_2020_(cropped).jpg , incumbent = Felipe VI , incumbentsince = 19 Ju ...
, Spanish monarchists and fascists repeatedly approached Italy for aid in overthrowing the Republican government, in which Italy agreed to support them to establish a pro-Italian government in Spain. In July 1936,
Francisco Franco Francisco Franco Bahamonde (; 4 December 1892 – 20 November 1975) was a Spanish general who led the Nationalist faction (Spanish Civil War), Nationalist forces in overthrowing the Second Spanish Republic during the Spanish Civil War ...
of the Nationalist faction in the
Spanish Civil War The Spanish Civil War ( es, Guerra Civil Española)) or The Revolution ( es, La Revolución, link=no) among Nationalists, the Fourth Carlist War ( es, Cuarta Guerra Carlista, link=no) among Carlists, and The Rebellion ( es, La Rebelión, lin ...
requested Italian support against the ruling Republican faction, and guaranteed that, if Italy supported the Nationalists, "future relations would be more than friendly" and that Italian support "would have permitted the influence of Rome to prevail over that of Berlin in the future politics of Spain". Italy intervened in the civil war with the intention of occupying the
Balearic Islands The Balearic Islands ( es, Islas Baleares ; or ca, Illes Balears ) are an archipelago in the Balearic Sea, near the eastern coast of the Iberian Peninsula. The archipelago is an autonomous community and a province of Spain; its capital is ...
and creating a
client state A client state, in international relations, is a state that is economically, politically, and/or militarily subordinate to another more powerful state (called the "controlling state"). A client state may variously be described as satellite state, ...
in Spain. Italy sought the control of the Balearic Islands due to its strategic position—Italy could use the islands as a base to disrupt the lines of communication between France and its North African colonies and between British Gibraltar and
Malta Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies ...
. After the victory by Franco and the Nationalists in the war, Allied intelligence was informed that Italy was pressuring Spain to permit an Italian occupation of the
Balearic Islands The Balearic Islands ( es, Islas Baleares ; or ca, Illes Balears ) are an archipelago in the Balearic Sea, near the eastern coast of the Iberian Peninsula. The archipelago is an autonomous community and a province of Spain; its capital is ...
. After Great Britain signed the Anglo-Italian Easter Accords in 1938, Mussolini and Foreign Minister
Galeazzo Ciano Gian Galeazzo Ciano, 2nd Count of Cortellazzo and Buccari ( , ; 18 March 1903 – 11 January 1944) was an Italian diplomat and politician who served as Foreign Minister in the government of his father-in-law, Benito Mussolini, from 1936 until 19 ...
issued demands for concessions in the Mediterranean by France, particularly regarding
French Somaliland French Somaliland (french: Côte française des Somalis, lit= French Coast of the Somalis so, Xeebta Soomaaliyeed ee Faransiiska) was a French colony in the Horn of Africa. It existed between 1884 and 1967, at which time it became the French Ter ...
,
Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...
and the French-run
Suez Canal The Suez Canal ( arz, قَنَاةُ ٱلسُّوَيْسِ, ') is an artificial sea-level waterway in Egypt, connecting the Mediterranean Sea to the Red Sea through the Isthmus of Suez and dividing Africa and Asia. The long canal is a popular ...
. Three weeks later, Mussolini told Ciano that he intended for an Italian takeover of Albania. Mussolini professed that Italy would only be able to "breathe easily" if it had acquired a contiguous colonial domain in Africa from the Atlantic to the Indian Oceans, and when ten million Italians had settled in them. In 1938, Italy demanded a
sphere of influence In the field of international relations, a sphere of influence (SOI) is a spatial region or concept division over which a state or organization has a level of cultural, economic, military or political exclusivity. While there may be a formal al ...
in the Suez Canal in
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 ...
, specifically demanding that the French-dominated
Suez Canal Company Suez ( ar, السويس '; ) is a seaport city (population of about 750,000 ) in north-eastern Egypt, located on the north coast of the Gulf of Suez (a branch of the Red Sea), near the southern terminus of the Suez Canal, having the same b ...
accept an Italian representative on its board of directors. Italy opposed the French monopoly over the
Suez Canal The Suez Canal ( arz, قَنَاةُ ٱلسُّوَيْسِ, ') is an artificial sea-level waterway in Egypt, connecting the Mediterranean Sea to the Red Sea through the Isthmus of Suez and dividing Africa and Asia. The long canal is a popular ...
because, under the French-dominated Suez Canal Company, all merchant traffic to the
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 ...
colony was forced to pay tolls on entering the canal. Albanian Prime Minister and President
Ahmet Zogu Zog I ( sq, Naltmadhnija e tij Zogu I, Mbreti i Shqiptarëve, ; 8 October 18959 April 1961), born Ahmed Muhtar bey Zogolli, taking the name Ahmet Zogu in 1922, was the leader of Albania from 1922 to 1939. At age 27, he first served as Albania's y ...
, who had, in 1928, proclaimed himself
King of Albania While the medieval Angevin Kingdom of Albania was a monarchy, it did not encompass fully the entirety of the modern state of Albania and was ended soon by the Albanian nobles by 1282 when they understood that the Angevin king was not going to keep ...
, failed to create a stable state. Albanian society was deeply divided by religion and language, with a border dispute with Greece and an undeveloped, rural economy. In 1939, Italy invaded and annexed Albania as a separate kingdom in
personal union A personal union is the combination of two or more states that have the same monarch while their boundaries, laws, and interests remain distinct. A real union, by contrast, would involve the constituent states being to some extent interlink ...
with the Italian crown. Italy had long built strong links with the Albanian leadership and considered it firmly within its sphere of influence. Mussolini wanted a spectacular success over a smaller neighbour to match Germany's
annexation of Austria The (, or , ), also known as the (, en, Annexation of Austria), was the annexation of the Federal State of Austria into the Nazi Germany, German Reich on 13 March 1938. The idea of an (a united Austria and Germany that would form a "Ger ...
and
Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
. Italian King
Victor Emmanuel III The name Victor or Viktor may refer to: * Victor (name), including a list of people with the given name, mononym, or surname Arts and entertainment Film * ''Victor'' (1951 film), a French drama film * ''Victor'' (1993 film), a French shor ...
took the Albanian crown, and a fascist government under
Shefqet Vërlaci Shefqet bey Vërlaci (; 15 December 1877, Elbasan, Manastir Vilayet, Ottoman Empire – 21 July 1946, Zürich, Switzerland), also known as Shevket Verlaci, was an Albanian politician and wealthy landowner. Biography In 1922, Vërlaci was the b ...
was established.


Regional patterns


Balkans

The
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
destabilised the
Kingdom of Romania The Kingdom of Romania ( ro, Regatul României) was a constitutional monarchy that existed in Romania from 13 March ( O.S.) / 25 March 1881 with the crowning of prince Karl of Hohenzollern-Sigmaringen as King Carol I (thus beginning the Romanian ...
. The early 1930s were marked by social unrest, high unemployment, and strikes. In several instances, the Romanian government violently repressed strikes and riots, notably the 1929 miners' strike in
Valea Jiului The Jiu Valley ( ro, Valea Jiului ) is a region in southwestern Transylvania, Romania, in Hunedoara county, situated in a valley of the Jiu River between the Retezat Mountains and the Parâng Mountains. The region was heavily industrialised and t ...
and the strike in the
Grivița Grivița () is a district of Bucharest, Romania, centered on the Grivița Railway Yards (''Atelierele CFR Grivița''), which were and still are an important landmark within the manufacturing landscape of the city. Located near Gara de Nord, thei ...
railroad workshops. In the mid-1930s, the
Romanian economy Romanian may refer to: *anything of, from, or related to the country and nation of Romania **Romanians, an ethnic group **Romanian language, a Romance language *** Romanian dialects, variants of the Romanian language ** Romanian cuisine, tradition ...
recovered and the industry grew significantly, although about 80% of Romanians were still employed in
agriculture Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to ...
. French economic and political influence was predominant in the early 1920s but then Germany became more dominant, especially in the 1930s. In the Albanian Kingdom,
Zog I Zog I ( sq, Naltmadhnija e tij Zogu I, Mbreti i Shqiptarëve, ; 8 October 18959 April 1961), born Ahmed Muhtar bey Zogolli, taking the name Ahmet Zogu in 1922, was the leader of Albania from 1922 to 1939. At age 27, he first served as Albania's ...
introduced new civil codes, constitutional changes and attempted
land reforms Land reform is a form of agrarian reform involving the changing of laws, regulations, or customs regarding land ownership. Land reform may consist of a government-initiated or government-backed property redistribution, generally of agricultural ...
, the latter which was largely unsuccessful due to the inadequacy of the country's banking system that could not deal with advanced reformist transactions. Albania's reliance on Italy also grew as Italians exercised control over nearly every Albanian official through money and patronage, breeding a colonial-like mentality. Ethnic integration and assimilation was a major problem faced by the newly formed post-World War I Balkan states, which were compounded by historical differences. In 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 ...
for instance, its most influential element was the pre-war
Kingdom of Serbia The Kingdom of Serbia ( sr-cyr, Краљевина Србија, Kraljevina Srbija) was a country located in the Balkans which was created when the ruler of the Principality of Serbia, Milan I, was proclaimed king in 1882. Since 1817, the Princi ...
but also integrated states like Slovenia and Croatia, which were part 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 ...
. With new territories came varying legal systems, social structures and political structures. Social and economic development rates also varied as for example Slovenia and Croatia was far more advanced economically than Kosovo and Macedonia, which had substantial Albanian populations that faced persecution. Redistribution of land led to social instability, with estate seizures generally benefiting Slavic Christians.


China


Japanese dominance in East Asia

The Japanese modelled their
industrial economy In economics, industrial organization is a field that builds on the theory of the firm by examining the structure of (and, therefore, the boundaries between) firms and markets. Industrial organization adds real-world complications to the perfe ...
closely on the most advanced Western European models. They started with textiles, railways, and shipping, expanding to electricity and machinery. The most serious weakness was a shortage of raw materials. Industry ran short of copper, and coal became a net importer. A deep flaw in the aggressive military strategy was a heavy dependence on imports including 100 per cent of the aluminium, 85 per cent of the iron ore, and especially 79 per cent of the oil supplies. It was one thing to go to war with China or Russia, but quite another to be in conflict with the key suppliers, especially the United States, Britain, and the Netherlands, of oil and iron. Japan joined the Allies of the First World War to make territorial gains. Together with the British Empire, it divided up Germany's territories scattered in the Pacific and on the Chinese coast; they did not amount to very much. The other Allies pushed back hard against Japan's efforts to dominate China through the
Twenty-One Demands The Twenty-One Demands ( ja, 対華21ヶ条要求, Taika Nijūikkajō Yōkyū; ) was a set of demands made during the First World War by the Empire of Japan under Prime Minister Ōkuma Shigenobu to the government of the Republic of China on 18 ...
of 1915. Its occupation of Siberia proved unproductive. Japan's wartime diplomacy and limited military action had produced few results, and at the Paris Versailles peace conference at the end of the war, Japan was frustrated in its ambitions. At the Paris Peace Conference in 1919, its
Racial Equality Proposal The was an amendment to the Treaty of Versailles that was considered at the 1919 Paris Peace Conference. Proposed by Japan, it was never intended to have any universal implications, but one was attached to it anyway, which caused its controversy. ...
led to increasing diplomatic isolation. The 1902 alliance with Britain was not renewed in 1922 because of heavy pressure on Britain from Canada and the United States. In the 1920s Japanese diplomacy was rooted in a largely liberal democratic political system, and favoured internationalism. By 1930, however, Japan was rapidly reversing itself, rejecting democracy at home, as the Army seized more and more power, and rejecting internationalism and liberalism. By the late 1930s it had joined the Axis military alliance with Nazi Germany and Fascist Italy. In 1930, the London disarmament conference angered the
Imperial Japanese Armed Forces The Imperial Japanese Armed Forces (IJAF) were the combined military forces of the Japanese Empire. Formed during the Meiji Restoration in 1868,"One can date the 'restoration' of imperial rule from the edict of 3 January 1868." p. 334. they ...
. The
Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...
demanded parity with the United States, Britain and France, but was rejected and the conference kept the 1921 ratios. Japan was required to scrap a
capital ship The capital ships of a navy are its most important warships; they are generally the larger ships when compared to other warships in their respective fleet. A capital ship is generally a leading or a primary ship in a naval fleet. Strategic im ...
. Extremists assassinated Japanese Prime Minister
Inukai Tsuyoshi Inukai Tsuyoshi ( ja, 犬養 毅, 4 June 1855 – 15 May 1932) was a Japanese politician, cabinet minister, and Prime Minister of Japan from 1931 to his assassination in 1932. Inukai was Japan's second oldest prime minister while serving, as he ...
in the May 15 Incident and the military took more power, leading to rapid
democratic backsliding Democratic backsliding, also called autocratization, is the decline in the democratic characteristics of a political system, and is the opposite of democratization. Democracy is the most popular form of government, with more than half of the nat ...
.


Japan seizes Manchuria

In September 1931, the Japanese Kwantung Army—acting on its own without government approval—Japanese invasion of Manchuria, seized control of Manchuria, an anarchic area that China had not controlled in decades. It created the puppet government of Manchukuo. Britain and France effectively controlled the League of Nations, which issued the Lytton Report in 1932, saying that Japan had genuine grievances, but it acted illegally in seizing the entire province. Japan quit the League, and Britain and France took no action. US Secretary of State Henry L. Stimson announced that the United States would also not recognise Japan's conquest as legitimate. Germany welcomed Japan's actions.


Towards the conquest of China

The civilian government in Tokyo tried to minimise the Army's aggression in Manchuria, and announced it was withdrawing. On the contrary, the Army completed the conquest of Manchuria, and the civilian cabinet resigned. The political parties were divided on the issue of military expansion. Prime Minister Tsuyoshi tried to negotiate with China but was assassinated in the May 15 Incident in 1932, which ushered in an era of Japanese nationalism, nationalism and Japanese militarism, militarism led by the Imperial Japanese Army and supported by other right-wing societies. The IJA's nationalism ended civilian rule in Japan until after 1945. The Army, however, was itself divided into cliques and factions with different strategic viewpoints. One faction viewed the Soviet Union as the main enemy; the other sought to build a mighty empire based in Manchuria and northern China. The Navy, while smaller and less influential, was also factionalised. Large-scale warfare, known as the Second Sino-Japanese War, began in August 1937, with Battle of Shanghai, naval and infantry attacks focused on Shanghai, which quickly spread to other major cities. There were numerous Japanese war crimes, large-scale atrocities against Chinese civilians, such as the Nanjing massacre in December 1937, with mass murder and mass rape. By 1939 military lines had stabilised, with Japan in control of almost all of the major Chinese cities and industrial areas. A puppet government was set up. In the U.S., government and public opinion—even including those who were isolationist regarding Europe—was resolutely opposed to Japan and gave strong support to China. Meanwhile, the Japanese Army fared badly in large battles with the Red Army, Soviet Red Army in Mongolia at the Battles of Khalkhin Gol in summer 1939. The USSR was too powerful. Tokyo and Moscow Soviet–Japanese Neutrality Pact, signed a nonaggression treaty in April 1941, as the militarists turned their attention to the European colonies to the south which had urgently-needed oil fields.


Latin America

The United States launched Banana Wars, minor interventions into Latin America. These included military presence in Republic of Cuba (1902–1959), Cuba, Panama with the Panama Canal Zone, United States occupation of Haiti, Haiti (1915–1935), United States occupation of the Dominican Republic (1916–1924), Dominican Republic (1916–1924), and United States occupation of Nicaragua, Nicaragua (1912–1933). The United States Marine Corps, U.S. Marine Corps began to specialise in long-term military occupation of these countries. The Great Depression in Latin America, Great Depression posed a great challenge to the region. The collapse of the world economy meant that the demand for raw materials drastically declined, undermining many of the economies of Latin America. Intellectuals and government leaders in Latin America turned their backs on the older economic policies and turned toward import substitution industrialisation. The goal was to create self-sufficient economies, which would have their own industrial sectors and large middle classes and which would be immune to the fluctuations of the global economy. Despite the potential threats to United States commercial interests, the Franklin D. Roosevelt, Roosevelt administration (1933–1945) understood that the United States could not wholly oppose import substitution. Roosevelt implemented a Good Neighbor policy, Good Neighbour policy and allowed the nationalisation of some American companies in Latin America. Mexican President Lázaro Cárdenas Mexican oil expropriation, nationalised American oil companies, out of which he created Pemex. Cárdenas also oversaw the Land reform in Mexico, redistribution of a quantity of land, fulfilling the hopes of many since the start of the Mexican Revolution. The Platt Amendment was also repealed, freeing Cuba from legal and official interference of the United States in its politics. The Second World War also brought the United States and most Latin American nations together, with Argentina the main hold out. During the interwar period, United States policy makers continued to be concerned over German influence in Latin America. Some analysts grossly exaggerated the influence of Germans in South America even after the First World War when German influence somewhat declined. As the influence of United States grew all-over the Americas Germany concentrated its foreign policy efforts in the Southern Cone countries where US influence was weaker and larger German communities were at place. The contrary ideals of ''indigenismo'' and ''hispanismo'' held sway among intellectuals in Hispanic America, Spanish-speaking America during the interwar period. In Argentina the ''gaucho'' genre flourished. A rejection of "Western universalist" influences was in vogue across Latin America. This last tendency was in part inspired by the translation into Spanish of the book ''Decline of the West'' in 1923.


Sports

Sports became increasingly popular, drawing enthusiastic fans to large stadiums. The International Olympic Committee (IOC) worked to encourage Olympic ideals and participation. Following the 1922 Latin American Games in Rio de Janeiro, the IOC helped to establish national Olympic committees and prepare for future competition. In Brazil, however, sporting and political rivalries slowed progress as opposing factions fought for control of international sport. The 1924 Summer Olympics in Paris and the 1928 Summer Olympics in Amsterdam had greatly increased participation from Latin American athletes. English and Scottish engineers had brought futebol (soccer) to Brazil in the late 19th century. The International Committee of the YMCA of North America and the Playground Association of America played major roles in training coaches. Across the globe after 1912, the Fédération Internationale de Football Association (FIFA) played the chief role in the transformation of association football into a global game, working with national and regional organisations, and setting up the rules and customs, and establishing championships such as the World Cup. ImageSize = width:800 height:200 PlotArea = width:640 height:140 left:65 bottom:20 AlignBars = late Colors = id:time value:rgb(0.7,0.7,1) # id:period value:rgb(1,0.7,0.5) # id:age value:rgb(0.95,0.85,0.5) # id:era value:rgb(1,0.85,0.5) # id:eon value:rgb(1,0.85,0.7) # id:filler value:gray(0.8) # background bar id:black value:black Period = from:1900 till:1950 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:10 start:1900 ScaleMinor = unit:year increment:1 start:1900 PlotData = align:center textcolor:black fontsize:10 mark:(line,white) width:11 shift:(0,-5) bar:Decades color:era from:1920 till:1929 text:Roaring Twenties, Twenties from:1929 till:1939 text:Great Depression, Depression bar:Machine color:era from:1900 till:1945 text:Machine Age bar:World.Wars color:era from:1914 till:1918 text:WWI from:1918 till:1939 text:Interwar period from:1939 till:1946 text:WWII


End of an era

The interwar period ended in September 1939 with the Nazi Germany, German and Soviet Union in World War II, Soviet invasion of Poland and the start of
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
.


See also

* International relations of the Great Powers (1814–1919) * Aftermath of World War I * 1920s * Jazz age *
Roaring Twenties The Roaring Twenties, sometimes stylized as Roaring '20s, refers to the 1920s decade in music and fashion, as it happened in Western society and Western culture. It was a period of economic prosperity with a distinctive cultural edge in the U ...
* 1930s * International relations (1919–1939) * Diplomatic history of World War I * Diplomatic history of World War II * Causes of World War II * Interwar Britain * European Civil War * European interwar dictatorships * Interwar United States * Lost Generation * Interbellum Generation * Greatest Generation * Interwar Poland * Interwar Belgium * Second Thirty Years' War * 1920s in Western fashion ** 1930–45 in Western fashion *
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
*** Great Depression in the United States *** European interwar economy *** Causes of the Great Depression *** Cities in the Great Depression *** Dust Bowl *** Entertainment during the Great Depression *** Timeline of the Great Depression * Political history of the world * ''Apocalypse: Never-Ending War 1918–1926''


Timelines

* Timeline of the 20th century, since 1900 * Timeline of events preceding World War II ** Events preceding World War II in Europe ** Events preceding World War II in Asia


Notes

* For a guide to the reliable sources see Jacobson (1983).Jon Jacobson, "Is there a New International History of the 1920s?." ''American Historical Review'' 88.3 (1983): 617–64
online
.


References


Further reading

* Morris, Richard B. and Graham W. Irwin, eds. ''Harper Encyclopedia of the Modern World: A Concise Reference History from 1760 to the Present'' (1970
online
* Albrecht-Carrié, René. ''A Diplomatic History of Europe Since the Congress of Vienna'' (1958), 736pp; a basic introduction, 1815–195
online free to borrow
* Berg-Schlosser, Dirk, and Jeremy Mitchell, eds. ''Authoritarianism and democracy in Europe, 1919–39: Comparative Analyses'' (Springer, 2002). * Sheri Berman, Berman, Sheri. ''The Social Democratic Moment: Ideas and Politics in the Making of Interwar Europe'' (Harvard UP, 2009). * Bowman, Isaiah. ''The New World: Problems in Political Geography'' (4th ed. 1928) sophisticated global coverage; 215 maps
online
* Brendon, Piers. ''The Dark Valley: A Panorama of the 1930s'' (2000) a comprehensive global political history; 816p
excerpt
* Cambon, Jules, ed ''The Foreign Policy of the Powers'' (1935) Essays by experts that cover France, Germany, Great Britain, Italy, Japan, Russia and the United State
Online free
* Clark, Linda Darus, ed. ''Interwar America: 1920–1940: Primary Sources in U.S. History'' (2001) * Dailey, Andy, and David G. Williamson. (2012) ''Peacemaking, Peacekeeping: International Relations 1918–36'' (2012) 244 pp; textbook, heavily illustrated with diagrams and contemporary photographs and colour posters. * Doumanis, Nicholas, ed. ''The Oxford Handbook of European History, 1914–1945'' (Oxford UP, 2016). * Duus, Peter, ed., ''The Cambridge History of Japan, vol. 6, The Twentieth Century'' (1989) pp 53–153, 217–340
online
* Feinstein, Charles H., Peter Temin, and Gianni Toniolo. ''The World Economy Between the World Wars'' (Oxford UP, 2008), a standard scholarly survey. * Freeman, Robert. ''The InterWar Years (1919–1939)'' (2014), brief survey * Garraty, John A. '' The Great Depression: An Inquiry into the Causes, Course, and Consequences of the Worldwide Depression of the Nineteen-1930s, As Seen by Contemporaries'' (1986). * Gathorne-Hardy, Geoffrey Malcolm. ''A Short History of International Affairs, 1920 to 1934'' (Oxford UP, 1952). *
Online free to borrow
* Grift, Liesbeth van de, and Amalia Ribi Forclaz, eds. ''Governing the Rural in Interwar Europe'' (2017) * Grossman, Mark ed. ''Encyclopedia of the Interwar Years: From 1919 to 1939'' (2000). * Hasluck, E. L. ''Foreign Affairs 1919 to 1937'' (Cambridge University Press, 1938). * Hicks, John D. ''Republican Ascendancy, 1921–1933'' (1960) for US
online
* – a view from the Left. * Kaser, M. C. and E. A. Radice, eds. ''The Economic History of Eastern Europe 1919–1975: Volume II: Interwar Policy, The War, and Reconstruction'' (1987) * * Koshar, Rudy. ''Splintered Classes: Politics and the Lower Middle Classes in Interwar Europe'' (1990). * * Luebbert, Gregory M. ''Liberalism, Fascism, Or Social Democracy: Social Classes and the Political Origins of Regimes in Interwar Europe'' (Oxford UP, 1991). * * Matera, Marc, and Susan Kingsley Kent. ''The Global 1930s: The International Decade'' (Routledge, 2017
excerpt
* * * Mowat, C. L. ed. (1968). ''The New Cambridge Modern History, Vol. 12: The Shifting Balance of World Forces, 1898–1945'' (2nd ed.). – 25 chapters by experts; 845 pp; the first edition (1960) edited by David Thompson has the same title but numerous different chapters. * Mowat, Charles Loch. ''Britain Between the Wars, 1918–1940'' (1955), 690pp; thorough scholarly coverage; emphasis on politics.
also online free to borrow
* Murray, Williamson and Allan R. Millett, eds. ''Military Innovation in the Interwar Period'' (1998) * Newman, Sarah, and Matt Houlbrook, eds. ''The Press and Popular Culture in Interwar Europe'' (2015) * Overy, R. J. ''The Inter-War Crisis 1919–1939'' (2nd ed. 2007) * Rothschild, Joseph. ''East Central Europe Between the Two World Wars'' (U of Washington Press, 2017). * Seton-Watson, Hugh. (1945) ''Eastern Europe Between The Wars 1918–1941'' (1945
online
* – 550 pp; wide-ranging political, social and economic coverage of Britain, 1910–35 * Raymond James Sontag, Sontag, Raymond James. ''A Broken World, 1919–1939'' (1972
online free to borrow
wide-ranging survey of European history * Raymond James Sontag, Sontag, Raymond James. "Between the Wars." ''Pacific Historical Review'' 29.1 (1960): 1–1
online
* Steiner, Zara. ''The Lights that Failed: European International History 1919–1933''. New York: Oxford University Press, 2008. * Steiner, Zara. ''The Triumph of the Dark: European International History 1933–1939''. New York: Oxford University Press, 2011. * Toynbee, A. J. ''Survey of International Affairs 1920–1923'' (1924
online
''Survey of International Affairs'' annual 1920–193
online
''Survey of International Affairs 1924'' (1925); ''Survey of International Affairs 1925'' (1926
online
''Survey of International Affairs 1924'' (1925
online
''Survey of International Affairs 1927'' (1928
online
''Survey of International Affairs 1928'' (1929
online
''Survey of International Affairs 1929'' (1930
online
''Survey of International Affairs 1932'' (1933
online
''Survey of International Affairs 1934'' (1935), focus on Europe, Middle East, Far East; ''Survey of International Affairs 1936'' (1937
online
* Watt, D. C. et al., ''A History of the World in the Twentieth Century'' (1968) pp. 301–530. * Wheeler-Bennett, John. ''Munich: Prologue To Tragedy,'' (1948) broad coverage of diplomacy of 1930s * Zachmann, Urs Matthias. ''Asia after Versailles: Asian Perspectives on the Paris Peace Conference and the Interwar Order, 1919–33'' (2017)


Historiography

* Cornelissen, Christoph, and Arndt Weinrich, eds. ''Writing the Great War – The Historiography of World War I from 1918 to the Present'' (2020) free download; full coverage for major countries. * Jacobson, Jon. "Is there a New International History of the 1920s?." ''American Historical Review'' 88.3 (1983): 617–645 online.


Primary sources

* Keith, Arthur Berridale, ed. ''Speeches and Documents On International Affairs Vol-I'' (1938) online free vol 1 vol 2 online free; all in English translation


External links



. Mount Holyoke College edition.
"Britain 1919 to the present"
Several large collections of primary sources and illustrations

{{Authority control Interwar period, Aftermath of World War I, . Former countries of the interwar period, . Chronology of World War II Periodization