Timeline of the Indonesian National Revolution
   HOME

TheInfoList



OR:

This is the Timeline of
Indonesian National Revolution The Indonesian National Revolution, or the Indonesian War of Independence, was an armed conflict and diplomatic struggle between the Republic of Indonesia and the Dutch Empire and an internal social revolution during Aftermath of WWII, postw ...


1945

*early 1945: Small, mostly Dutch, commando units parachute into northern
Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...
.


August

*15 August: The Japanese surrender brings the fighting in
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 ...
to an official close. *17 August: "
Proclamation of Indonesian Independence The Proclamation of Indonesian Independence ( id, Proklamasi Kemerdekaan Indonesia, or simply ''Proklamasi'') was read at 10:00 on Friday, 17 August 1945 in Jakarta. The declaration marked the start of the diplomatic and armed resistance of th ...
", signed by
Sukarno Sukarno). (; born Koesno Sosrodihardjo, ; 6 June 1901 – 21 June 1970) was an Indonesian statesman, orator, revolutionary, and nationalist who was the first president of Indonesia, serving from 1945 to 1967. Sukarno was the leader of ...
- Hatta. * Tan Malaka, a former
Indonesian Communist Party The Communist Party of Indonesia (Indonesian: ''Partai Komunis Indonesia'', PKI) was a communist party in Indonesia during the mid-20th century. It was the largest non-ruling communist party in the world before its violent disbandment in 1965. ...
(PKI) leader, returns secretly from exile and reveals his identity in
Jakarta Jakarta (; , bew, Jakarte), officially the Special Capital Region of Jakarta ( id, Daerah Khusus Ibukota Jakarta) is the capital and largest city of Indonesia. Lying on the northwest coast of Java, the world's most populous island, Jakarta ...
and draws a large following. *late August: A Republican government is established in Jakarta and a provisional
constitution A constitution is the aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organisation or other type of Legal entity, entity and commonly determine how that entity is to be governed. When ...
is adopted. Central Indonesian National Committee (KNIP) established. *17 to 25 August: The Japanese in
Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...
and
Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...
disband the ''
PETA Peta or PETA may refer to: Acronym * Pembela Tanah Air, a militia established by the occupying Japanese in Indonesia in 1943 * People for the Ethical Treatment of Animals, an American animal rights organization * People Eating Tasty Animals, an ...
/Giyūgun'' and ''
Heiho were native Indonesian units raised by the Imperial Japanese Army during its occupation of the Dutch East Indies in World War II. Alongside the ''Heiho'', the Japanese organized ''Giyūgun'' (義勇軍, "Volunteer army"), such as the Java-based ...
'', dismantling command structures and membership. *22 August: The Japanese announce their surrender publicly across Indonesia. *August to September: Euphoria of revolution spreads across the country, while local Japanese commanders and their troops often abandon urban areas to avoid confrontation. Many discreetly allowed Indonesian youths to acquire arms. Republican youths take over infrastructure facilities in Jakarta,
Yogyakarta Yogyakarta (; jv, ꦔꦪꦺꦴꦒꦾꦏꦂꦠ ; pey, Jogjakarta) is the capital city of Special Region of Yogyakarta in Indonesia, in the south-central part of the island of Java. As the only Indonesian royal city still ruled by a monarchy, ...
,
Surakarta Surakarta ( jv, ꦯꦸꦫꦏꦂꦠ), known colloquially as Solo ( jv, ꦱꦭ; ), is a city in Central Java, Indonesia. The 44 km2 (16.2 sq mi) city adjoins Karanganyar Regency and Boyolali Regency to the north, Karanganyar Regency and Sukoh ...
,
Malang Malang (; ) is a landlocked List of regencies and cities of Indonesia, city in the Indonesian Provinces of Indonesia, province of East Java. It has a history dating back to the age of Singhasari, Singhasari Kingdom. It is the second most popul ...
and
Bandung Bandung ( su, ᮘᮔ᮪ᮓᮥᮀ, Bandung, ; ) is the capital city of the Indonesian province of West Java. It has a population of 2,452,943 within its city limits according to the official estimates as at mid 2021, making it the fourth most ...
with little or no Japanese resistance. Mass pro-Republic rallies are held in Jakarta and
Surabaya Surabaya ( jv, ꦱꦸꦫꦧꦪ or jv, ꦯꦹꦫꦨꦪ; ; ) is the capital city of the Provinces of Indonesia, Indonesian province of East Java and the List of Indonesian cities by population, second-largest city in Indonesia, after Jakarta. L ...
. Sukarno successfully convinces crowds to disperse without challenging the Japanese, thus further boosting his reputation as the only one able to prevent massive violence. Revolutionary spirit also emerges in literature and the arts.


September

*September: Brawls break out in Surabaya between Indonesian youths and newly freed Europeans. *September: Australian forces accept the Japanese surrender in Japanese Navy area (with the exception of
Bali Bali () is a province of Indonesia and the westernmost of the Lesser Sunda Islands. East of Java and west of Lombok, the province includes the island of Bali and a few smaller neighbouring islands, notably Nusa Penida, Nusa Lembongan, and Nu ...
and Lombok) bringing with them Dutch troops and administrators. *early September: Following the August disbanding of the ''PETA/Giyūgun'' and ''Heiho'', Republican armed forces begin to form from local groups of young men with charisma and/or arms. *early September: Four rulers of the
central Java Central Java ( id, Jawa Tengah) is a province of Indonesia, located in the middle of the island of Java. Its administrative capital is Semarang. It is bordered by West Java in the west, the Indian Ocean and the Special Region of Yogyakarta in t ...
nese principalities declare their support for the Republic. *3 to 11 September: Republican youths take over control of
Jakarta Jakarta (; , bew, Jakarte), officially the Special Capital Region of Jakarta ( id, Daerah Khusus Ibukota Jakarta) is the capital and largest city of Indonesia. Lying on the northwest coast of Java, the world's most populous island, Jakarta ...
railway stations, tram system and radio stations, encountering little Japanese resistance. *11 and 17 September: Mass pro-Republic rallies held in Surabaya. *mid September: News of the proclamation of independence reaches all outer islands. *19 September: Pro-Republic rally of an estimated 200,000 people gathered by Tan Malaka is held in Jakarta in what is now known as Merdeka (Independence) Square. Fearing violent confrontations with the Japanese, Sukarno manages to convince the crowd to disperse. *mid-September to mid-October: Australian troops occupy the major cities of eastern Indonesia—in most cases before Republican administrations have been established—putting down demonstrations and arresting some pro-Republican officials. Pro-Republican ''rajas'' of southern
Sulawesi Sulawesi (), also known as Celebes (), is an island in Indonesia. One of the four Greater Sunda Islands, and the world's eleventh-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Ar ...
decide against fighting the Australians and begrudgingly accept the return of the Dutch. *late September: British troops, mostly Indian, reach Jakarta. *late September: Major public infrastructure in Yogyakarta, Surakarta, Malang and Bandung is now controlled by Republican youths. *late September: News of the proclamation of Indonesian independence has now spread to all outer islands. *9 November: First clash between Republican troops and Dutch forces in Banjarmasin.


October

*October: The Communist Party of Indonesia (PKI) is reconstituted after its 1920's disbanding. *October: The beginnings of the so-called 'three regions affair' on the north coast of Java; it is a peasant social protest and attempts to avenge oppression under the Japanese occupation resulting in widespread violence. Actions are underway by both young Orthodox Muslim ('' abangan'') activists and survivors of the 1926 PKI uprising against village headsmen. *October: British troops, mostly Indian, arrive in Medan, Padang,
Palembang Palembang () is the capital city of the Indonesian province of South Sumatra. The city proper covers on both banks of the Musi River on the eastern lowland of southern Sumatra. It had a population of 1,668,848 at the 2020 Census. Palembang ...
,
Semarang Semarang ( jv, ꦏꦸꦛꦯꦼꦩꦫꦁ , Pegon: سماراڠ) is the capital and largest city of Central Java province in Indonesia. It was a major port during the Dutch colonial era, and is still an important regional center and port today. ...
and Surabaya. To avoid confrontation, British commander Lieutenant General Sir Philip Christion, diverts soldiers of former
Dutch East Indies army The Royal Netherlands East Indies Army ( nl, Koninklijk Nederlands Indisch Leger; KNIL, ) was the military force maintained by the Kingdom of the Netherlands in its colony of the Dutch East Indies, in areas that are now part of Indonesia. The ...
from Java to eastern Indonesia, where Dutch re-occupation was proceeding relatively smoothly, and there was considerable economic value. *October: Tensions mount in Java and Sumatra where street fights develop between young Republicans on the one hand, and former Dutch prisoners, Dutch colonial troops (including
Ambon Ambon may refer to: Places * Ambon Island, an island in Indonesia ** Ambon, Maluku, a city on Ambon Island, the capital of Maluku province ** Governorate of Ambon, a colony of the Dutch East India Company from 1605 to 1796 * Ambon, Morbihan, a co ...
ese),
Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of va ...
, Indo-Europeans and Japanese on the other. *October: The Japanese attempt to recover authority in Javan cities, which they had ceded in August and September, triggering the first stages of warfare. *3 October: Japanese Military Police (''Kenpeitai'') massacre Republican ''pemuda'' in Pekalongan. *3 October: After providing Indonesians ready access to arms, the pro-Republic Japanese commander in Surabaya, Vice-Admiral Shibata Yaichiro, surrenders to the first Allied representative, a Dutch navy captain. *5 October: The nucleus of the
Indonesian National Armed Forces , founded = as the ('People's Security Forces') , current_form = , disbanded = , branches = , headquarters = Cilangkap, Jakarta , website = , commander-in-chief = Joko Widodo , ...
, the ''Public Security Armed Forces'' (''Tentara Keamanan Rakyat''), is formed on the basis of the units of the People's Security Department (''Badan Keamanan Rakyat''). *10 October: Japanese troops push Republicans out of Bandung and a week later hand the city over to the British. *1945, 14 October: Japanese troops begin to reclaim Semarang. Republicans retaliate by killing between 130 and 300 Japanese-held prisoners. *16 October:
Sutan Sjahrir Sutan Sjahrir (5 March 1909 – 9 April 1966) was an Indonesian politician, and revolutionary independence leader, who served as the first Prime Minister of Indonesia, from 1945 until 1947. Previously, he was a key Indonesian nationalist organiz ...
and
Amir Sjarifuddin Amir Sjarifuddin Harahap ( EVO: Amir Sjarifoeddin Harahap; 27 April 1907 – 19 December 1948) was an Indonesian politician and journalist who served as the second prime minister of Indonesia from 1947 until 1948. A major leader of the lef ...
engineer a takeover within the KNIP. *late October to early November: Leaders of
Nahdlatul Ulama Nahdlatul Ulama (, , NU) is an Islam in Indonesia, Islamic organization in Indonesia. Its membership estimates range from 40 million (2013) to over 95 million (2021), making it the largest Islamic organization in the world. NU also is a charitab ...
and Masyumi declare that war in defence of the Indonesian fatherland is Holy War, an obligation laid upon all Muslims. Muslims students begin to pour into Surabaya. The fiery
Sutomo Sutomo (3 October 1920 – 7 October 1981), also known as Bung Tomo (meaning Comrade or Brother Tomo), is best known for his role as an Indonesian military leader during the Indonesian National Revolution against the United Kingdom and the ...
, (better known as 'Bung Tomo') uses the local radio to encourage an atmosphere of fanatical revolutionary enthusiasm throughout the city *20 October: Japanese have almost won Semarang but 500 Japanese and 2,000 Indonesians are killed. British troops arrive in Semarang. *late October: British attempt to evacuate Eurasians and Europeans from volatile inland central Java. British detachments are sent into Ambarawa and
Magelang Magelang () is one of six cities in Central Java that are administratively independent of the regencies in which they lie geographically. Each of these cities is governed by a mayor rather than a ''bupati''. Magelang city covers an area of 18. ...
to evacuate 10,000 detainees (mostly women and children). Air strikes are used to counter Republican resistance. *25 October: 6,000 British Indian troops arrive to evacuate Indonesian-held internees. Within 3 days fighting begins; 20,000 Indonesian armed regulars and mobs of 70,000-140,000 kill much of the British force and are about to wipe out the entire force. *30 October: Sukarno and, Hatta and
Amir Sjarifuddin Amir Sjarifuddin Harahap ( EVO: Amir Sjarifoeddin Harahap; 27 April 1907 – 19 December 1948) was an Indonesian politician and journalist who served as the second prime minister of Indonesia from 1947 until 1948. A major leader of the lef ...
are flown in by the British to negotiate and negotiate a ceasefire. Six hours later fighting breaks out again and British commander, Brigadier A.W.S. Mallaby is killed. In a subsequent lull in fighting, British reinforcements are brought in and the internees are evacuated.


November

*November: Amir Sjarifuddin followers form ''Pesindo'' (''Pemuda Sosialis Indonesia'', Indonesian Socialist Youth). *November: So-called 'social revolutions' begin in the countryside; a competition between alternative elites and Dutch-created vs new social structures. Includes the beginnings of the so-called 'three regions affair' on the north coast of Java; a peasant social protest and attempts to avenge oppression under the Japanese occupation, which result in widespread violence. *November: Sutan Sjahrir publishes a pamphlet titled ''Perjuangan Kita'' ('
Our Struggle "Our Struggle" was a pamphlet written late October 1945 by Indonesian independence leader Soetan Sjahrir. It was pivotal in redirecting the Indonesian national revolution. In his pamphlet Sjahrir addressed all crucial spearheads of the still on ...
') showing him to be committed to international
socialist 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 e ...
revolution, in this he stated his criticism of murders committed upon citizens of European and Chinese ancestry (later known as the Bersiap) by patriotic ''pemuda'' and mobs inspired by Japanese propaganda during the war period. *November: The Constitution is suspended in practice, although officially it remains in place. *2 November: Sukarno steps into the central Java conflict to arrange a cease fire following British requests, but fighting resumes in mid-late November and the British withdraw to the coast. *3 November: Vice-President Hatta proclaims the right of the people to form political parties. *10 November: At dawn, following Mallaby's death the previous month, British troops begin a punitive sweep through Surabaya under the cover of naval and air bombardment, but meet fanatical resistance. The city is conquered in three days, but fighting continues for three weeks. At least 6,000 Indonesians die and thousands flee. 10 November is now commemorated in Indonesia as Heroes’ Day. *11 November: Division commanders elect Sudirman as commander-in-chief of the young revolutionary armed forces, Oerip Soemohardjo was appointed chief of staff. *11 November: The cabinet is made responsible to the KNIP rather than to the president. *14 November: A new cabinet is formed; Sjahrir becomes Prime Minister and Minister for Foreign Affairs and the Interior. *end November: Regents of Brebes, Tegal and Pemalang are replaced by supporters of this 'social revolution'.


December

*1945, 12 November – Resident of Pekalongan is overthrown by 'social revolutionaries' and replaced with a former secret PKI member and underground leader. In retaliation, local Republican army units and 'pemuda' sweep through the three regencies arresting 1,000 supporters of the 'social revolution', which end in defeat. *December: Amir's followers merge with those of Sjahrir's to form the ''Partai Sosialis'' ('Socialist Party'). *mid December – Allies evacuate Japanese troops from Aceh. Civil war then breaks out. *December to March 1946 – Leading ''uleebalangs'' of Aceh and their families are imprisoned or killed.


1946

*January: Tan Malaka forms the Persatuan Perjuangan (''Struggle Front'') that aims to create unity among the organisations that exist to achieve full independence for Indonesia and reject diplomacy before the recognition of sovereignty by the Dutch. *February: The Republican capital is moved to Yogyakarta following the Dutch occupation of Jakarta. * February: Communist Party members clash with Republican army units. *March: In east Sumatra,
Bataks Batak is a collective term used to identify a number of closely related Austronesian ethnic groups predominantly found in North Sumatra, Indonesia, who speak Batak languages. The term is used to include the Karo, Pakpak, Simalungun, Toba, ...
led by leftists attack the
Malay Malay may refer to: Languages * Malay language or Bahasa Melayu, a major Austronesian language spoken in Indonesia, Malaysia, Brunei and Singapore ** History of the Malay language, the Malay language from the 4th to the 14th century ** Indonesi ...
, Simalungun Batak and Karo Batak ''rajas''. Arrest and robbery leads to slaughter and hundreds of eastern Sumatran aristocrats die, including poet Amir Hamzah. *23-24 March: In what is known as the ''Bandung Sea of Fire'', Republicans burn
Bandung Bandung ( su, ᮘᮔ᮪ᮓᮥᮀ, Bandung, ; ) is the capital city of the Indonesian province of West Java. It has a population of 2,452,943 within its city limits according to the official estimates as at mid 2021, making it the fourth most ...
's southern wards while patriotic militias flee after refusing British demands for surrender. *April: Leaders of the Eastern Sumatran social revolution are arrested or go into hiding but the authority of the ''rajas'' is irrevocably weakened. *April: 300 people are killed in Tapanuli (North Sumatra) in fighting between Toba Bataks and Karo Bataks, an ethnic conflict influenced by the Christianity among the Toba and Islam among the Karo. *27 June: Opposition forces feel that '100 percent independence' is betrayed by a speech made by Hatta in Yogyakarta that reveals the limited nature of the government's negotiating position. Prime Minister Sjahrir is subsequently arrested by local army units hoping to reduce Republic leadership. Sukarno declares martial law and demands Sjahrir's release. *30 June: In a radio address, Sukarno declares that Sjahrir's arrest has endangered the unity of the nation, which shakes the confidence of the opposition; Sjahrir is released that same night. *3 July: A Republican army delegation is sent to Yogyakarta to demand Sukarno sack the Cabinet and put Sudirman in charge of security affairs. The delegation, however, is arrested along with about one hundred opposition figures including Yamin. *July: At a Dutch-organised conference at Maliano (southern Sulawesi), thirty-nine Indonesian representatives of the ''rajas'', Christians and several ethnic groups of Kalimantan and eastern Indonesia support the idea of a federal state and some form of continuing Dutch connection. The Dutch are surprised at the Indonesian request for some genuine autonomy. States of Kalimantan and for East Indonesia are planned. *October: Following negotiations from the previous year, ceasefires in Java and Sumatra are agreed upon by the Dutch and the Republic. *12 November: The
Linggadjati Agreement The Linggardjati Agreement (''Linggarjati'' in modern Indonesian spelling) was a political accord concluded on 15 November 1946 by the Dutch administration and the unilaterally declared Republic of Indonesia in the village of Linggarjati, Kuning ...
sees the Netherlands recognise the Republic as the 'de facto' authority in Java, Madura and Sumatra, and both sides agreeing to co-operate to establish a
federal Federal or foederal (archaic) may refer to: Politics General *Federal monarchy, a federation of monarchies *Federation, or ''Federal state'' (federal system), a type of government characterized by both a central (federal) government and states or ...
'United States of Indonesia' by 1 January 1949; the Republic will be one of the states, the Dutch monarch will be the symbolic head of a Dutch-Indonesian union of sovereign states. The agreement does not last; compromises accepted by both parties provoke bitter political backlashes from both within the Republic and the Netherlands. *November: The Dutch federalist structure in Sulawesi is threatened by Republican youths returning from Java where they had received military training. *14 December: The extra-parliamentary action group ''
Nationaal Comité Handhaving Rijkseenheid The , fully the ( en, National Committee for the Maintenance of Unity of the Kingdom), commonly shortened to ( en, Committee for Unity of the Kingdom) was an extra-parliamentary action group in the Netherlands that unsuccessfully appealed the ...
'' is founded in the Netherlands by former Prime Minister Pieter Sjoerds Gerbrandy, channeling Dutch dissatisfaction with the Linggadjati Agreement. *December: The Dutch respond to the Republican ''pemuda'' threat in southern Sulawesi with troops led by Captain Raymond 'Turk' Westerling that use arbitrary terror techniques. These techniques are emulated by other anti-Republican forces. Over three months at least 3,000 Indonesians are thought to have been killed, and Republican youth forces are decimated. *December: The
State of East Indonesia The State of East Indonesia ( id, Negara Indonesia Timur, old spelling: ''Negara Indonesia Timoer'', nl, Oost-Indonesië) was a post–World War II state formed in the eastern half of Dutch East Indies. Established in December 1946, it became ...
(''Negara Indonesia Timur'') is created at a conference in Denpasar Bali. Republican ideals are still influential; 'Indonesia Raya' is adopted as the national anthem, which is also used by the Republic, and a pro-Republic Bugis is almost elected president. Sjahrir protests at the unilateral creation of the state are ineffectual. All of Kalimantan cannot be incorporated as one state as the south and east coasts are too pro-Republican. *December: To improve chances of KNIP-ratification of the 'Linggatjati Agreement', the KNIP is increased from 200 to 514 members by packing it with pro-government figures from the left wing.


1947

*February: The pro-Republic Datu of Supa is killed by Westerling’s troops. *February: The '
Linggadjati Agreement The Linggardjati Agreement (''Linggarjati'' in modern Indonesian spelling) was a political accord concluded on 15 November 1946 by the Dutch administration and the unilaterally declared Republic of Indonesia in the village of Linggarjati, Kuning ...
' finally ratified by the KNIP after Hatta and
Sukarno Sukarno). (; born Koesno Sosrodihardjo, ; 6 June 1901 – 21 June 1970) was an Indonesian statesman, orator, revolutionary, and nationalist who was the first president of Indonesia, serving from 1945 to 1967. Sukarno was the leader of ...
threaten to resign if it is not accepted. *June:
Amir Sjarifuddin Amir Sjarifuddin Harahap ( EVO: Amir Sjarifoeddin Harahap; 27 April 1907 – 19 December 1948) was an Indonesian politician and journalist who served as the second prime minister of Indonesia from 1947 until 1948. A major leader of the lef ...
and other leftists in the KNIP withdraw support for Sjahrir's prime ministership. Sjahrir would go abroad to represent the Republic at the UN. *July: Amir Sjarifuddin becomes Prime Minister of the Republic. *May: A separate state of West Kalimantan is established under Sultan Abdul Hamid II of Pontianak. Sjahrir protests at the unilateral creation of the state are ineffectual. *May: The Dutch decide that they must attack the Republic directly, believing they can conquer Republican-held cities within two weeks, and all Republican territory within 6 months. *20 July: At midnight, the Dutch launch a major military offensive, which they refer to as a ' police action'. Major columns swept out from
Jakarta Jakarta (; , bew, Jakarte), officially the Special Capital Region of Jakarta ( id, Daerah Khusus Ibukota Jakarta) is the capital and largest city of Indonesia. Lying on the northwest coast of Java, the world's most populous island, Jakarta ...
and
Bandung Bandung ( su, ᮘᮔ᮪ᮓᮥᮀ, Bandung, ; ) is the capital city of the Indonesian province of West Java. It has a population of 2,452,943 within its city limits according to the official estimates as at mid 2021, making it the fourth most ...
to occupy
West Java West Java ( id, Jawa Barat, su, ᮏᮝ ᮊᮥᮜᮧᮔ᮪, romanized ''Jawa Kulon'') is a province of Indonesia on the western part of the island of Java, with its provincial capital in Bandung. West Java is bordered by the province of Banten ...
and from
Surabaya Surabaya ( jv, ꦱꦸꦫꦧꦪ or jv, ꦯꦹꦫꦨꦪ; ; ) is the capital city of the Provinces of Indonesia, Indonesian province of East Java and the List of Indonesian cities by population, second-largest city in Indonesia, after Jakarta. L ...
to occupy Madura and the Eastern Salient. Smaller troop movements secure the
Semarang Semarang ( jv, ꦏꦸꦛꦯꦼꦩꦫꦁ , Pegon: سماراڠ) is the capital and largest city of Central Java province in Indonesia. It was a major port during the Dutch colonial era, and is still an important regional center and port today. ...
area. The Dutch thus gain control of all deep-water ports in
Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...
, and in
Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...
control is secured over plantations around
Medan Medan (; English: ) is the capital and largest city of the Indonesian province of North Sumatra, as well as a regional hub and financial centre of Sumatra. According to the National Development Planning Agency, Medan is one of the four main ...
, oil and coal installations around
Palembang Palembang () is the capital city of the Indonesian province of South Sumatra. The city proper covers on both banks of the Musi River on the eastern lowland of southern Sumatra. It had a population of 1,668,848 at the 2020 Census. Palembang ...
and the Padang area. Republican forces retreat amidst confusion destroying what they can, and carrying out last minute acts of revenge; ethnic Chinese in West Java and imprisoned aristocrats in East Sumatra are murdered. The Dutch originally intend to carry on to
Yogyakarta Yogyakarta (; jv, ꦔꦪꦺꦴꦒꦾꦏꦂꦠ ; pey, Jogjakarta) is the capital city of Special Region of Yogyakarta in Indonesia, in the south-central part of the island of Java. As the only Indonesian royal city still ruled by a monarchy, ...
to install a more amendable Republican Government. American and British protests at the military action, however, stop the Dutch from complete conquest of the Republic. Australian and Indian, and eventually American representation in the
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...
raise the profile of the independence cause. *4 August: The Dutch and Sukarno order a UN-demanded ceasefire *August: The UN allows Sjahrir to address it, but does not allow representatives from Dutch-held areas. *August: The Dutch continue mopping-up actions operations within their advance points where numerous Republican fighters remain, including the
Siliwangi Division Military Regional Command III/Siliwangi ( id, Komando Daerah Militer III/Siliwangi or Kodam III/Siliwangi) is an Indonesian Army Regional Military Command that covers Banten and West Java province. The division was formed during the Indonesian ...
in West Java. *September: The Dutch create the
State of South Sumatra The State of South Sumatra ( id, Negara Sumatra Selatan) was a federal state and part of the United States of Indonesia formed in the southern part of Sumatra by the Netherlands in 1948 as part of an attempt to reestablish the colony of the Dutc ...
. *October: The UN Good Offices Committee with American, Australian and Belgian representatives is established to assist Dutch-Republican negotiations for a new ceasefire. *November: The Dutch create the
State of East Java The State of East Java ( id, Negara Jawa Timur) was a federal state ''(negara bagian)'' formed on the Indonesian island of Java by the Netherlands in 1948. It subsequently became a component of the United States of Indonesia, but merged into the ...
. *December: The Dutch create the
State of East Sumatra The State of East Sumatra (''Negara Sumatera Timur'') was established by the Netherlands after the reoccupation of North Sumatra in July, 1947, during the first of the Dutch " police actions" against the fledgling Republic of Indonesia. In 1949, ...
.


1948

*January: A new agreement is reached between the Dutch and the Republic aboard the American ship USS ''Renville'' moored in Jakarta Bay and used as a neutral location. The agreement recognises the so-called 'van Mook line', an artificial line that links the most advanced Dutch-controlled areas, even though many Republican areas remain within this new area. *January:
PNI PNI may refer to: Organizations * Indonesian National Party (''Partai Nasional Indonesia''), the name used by several political parties in Indonesia * Palestinian National Initiative, a Palestinian political party * PNI Digital Media (Photochann ...
and Masyumi members of Cabinet resign over terms of the 'Renville Agreement'. *23 January:
Amir Sjarifuddin Amir Sjarifuddin Harahap ( EVO: Amir Sjarifoeddin Harahap; 27 April 1907 – 19 December 1948) was an Indonesian politician and journalist who served as the second prime minister of Indonesia from 1947 until 1948. A major leader of the lef ...
resigns as prime minister.
Sukarno Sukarno). (; born Koesno Sosrodihardjo, ; 6 June 1901 – 21 June 1970) was an Indonesian statesman, orator, revolutionary, and nationalist who was the first president of Indonesia, serving from 1945 to 1967. Sukarno was the leader of ...
appoints Hatta to head an emergency 'presidential cabinet' directly responsible to the President and not the KNIP. The new cabinet consists mainly of PNI, Masyumi and non-party members; Amir and Left Wing subsequently in opposition. *February: Sjahrir's followers create the
Socialist Party of Indonesia The Socialist Party of Indonesia ( id, Partai Sosialis Indonesia) was a political party in Indonesia from 1948 until 1960, when it was banned by President Sukarno. Origins In December 1945 Amir Sjarifoeddin's Socialist Party of Indonesia (Pars ...
(''Partai Sosialis Indonesia'') giving their support to Hatta's government. *February: The Dutch create the states of Madura and
Pasundan The State of Pasundan (Indonesian language, Indonesian and su, Negara Pasundan) was a federated state, federal state ''(negara bagian)'' formed in the western part of the Indonesian island of Java by the Netherlands in 1948 following the Linggad ...
(West Java) . *February: A left-wing coalition renames itself the People's Democratic Front ('Front Demokrasi Rakyat') and denounces the 'Renville Agreement', which Amir's government had itself negotiated. *February: In accordance with the 'Renville Agreement', Colonel Nasution leads the 22,000 men of the Siliwangi Division out of Dutch-held West Java into Republican
Central Java Central Java ( id, Jawa Tengah) is a province of Indonesia, located in the middle of the island of Java. Its administrative capital is Semarang. It is bordered by West Java in the west, the Indian Ocean and the Special Region of Yogyakarta in t ...
with important consequences for both regions. *March: Van Mook announces creation of a provisional government for a federal Indonesia with himself as president. *May: A People's Democratic Front organised strike at a state textiles factory in Delanggu, Central Java begins. The strike is not, however, a matter of class divisions, but communal division, with the 'abangan' (nominal Muslims) supported by the Front, pitted against the 'santri' (strict Muslims) supported by Indonesian Hizbullah units. The strike is settled in July on terms favourable to the strikers, but, Republic politics are now increasingly entangled and run along the Javanese communal tensions manifested in the strike. *May: Interpreting the Siliwangi Division's departure from West Java as a Republican abandonment of the region, Kartosuwirjo a Javanese mystic Masyumi-connected leader of Hizbullah guerrillas, launches a rebellion against the Republic, whilst continuing to fight the Dutch in West Java. He proclaims himself ''imam'' ('head') of a new state called ''Negara Islam Indonesia'' ('Indonesia Islamic State'), or more commonly known as '' Darul Islam''. The Republic can only ignore the rival group until Kartosuwirjo's capture and execution in 1962. *July: The Dutch establish a
Federal Consultative Assembly The Federal Consultative Assembly, (or nl, Bijeenkomst voor Federaal Overleg) (BFO) was a committee established on 8 July 1948 to discuss the form of the planned federal United States of Indonesia. Its membership comprised the leaders of the var ...
(''Bijeenkomst voor Federale Overleg'') consisting of leaders of the fifteen Dutch-created states. There is now, however, significant pro-Republican support amongst the states’ native elite and little support for
federalism Federalism is a combined or compound mode of government that combines a general government (the central or "federal" government) with regional governments (Province, provincial, State (sub-national), state, Canton (administrative division), can ...
among the population. *August: Civil war threatens to break out after episodes of kidnappings, murders and armed conflict between factions of the Republican army as a consequence of a military rationalisation process aimed at a smaller more professional force. Republican Central Java is awash with political manoeuvring, military politics and communal tensions, while Dutch forces surround it to the west, north and east. *11 August 1948: Musso, the 1920s leader of the PKI, arrives in Yogyakarta from 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 ...
. Amir and the leadership of the People's Democratic Front accept his authority, with Amir admitting membership of the underground PKI since 1935. Adhering to Musso's Stalinist thinking of a single party of the working class, the major leftist parties in the Front dissolve themselves into the
PKI PKI may refer to: * Partai Komunis Indonesia, the Communist Party of Indonesia * Peter Kiewit Institute The Peter Kiewit Institute is a facility in Omaha, Nebraska, United States which houses academic programs from the University of Nebraska ...
. *August and September: PKI encourages demonstrations and industrial action by workers and peasants. Peasants were encouraged to take over landlords’ fields in the Surakarta and other areas. *1 September: A new PKI ''
politburo A politburo () or political bureau is the executive committee for communist parties. It is present in most former and existing communist states. Names The term "politburo" in English comes from the Russian ''Politbyuro'' (), itself a contraction ...
'' is formed. *September: Tan Malaka is released by the Republican Government in attempt to divert leftist supporters from the PKI. *17 September: Following the outbreak of open warfare in
Surakarta Surakarta ( jv, ꦯꦸꦫꦏꦂꦠ), known colloquially as Solo ( jv, ꦱꦭ; ), is a city in Central Java, Indonesia. The 44 km2 (16.2 sq mi) city adjoins Karanganyar Regency and Boyolali Regency to the north, Karanganyar Regency and Sukoh ...
between pro-PKI and pro-Government forces, the Siliwangi Division drives PKI supporters out of the city. Pro-PKI supporters withdraw to Madiun. *18 September: PKI supporters take over strategic points in the Madiun area, kill pro-government officers, and announce over radio the formation of a new National Front government. Caught off guard by the premature coup attempt, Musso, Amir and other PKI leaders travel to Madiun to take charge. *19 September: About 200 pro-PKI and other leftist leaders remaining in
Yogyakarta Yogyakarta (; jv, ꦔꦪꦺꦴꦒꦾꦏꦂꦠ ; pey, Jogjakarta) is the capital city of Special Region of Yogyakarta in Indonesia, in the south-central part of the island of Java. As the only Indonesian royal city still ruled by a monarchy, ...
are arrested. Sukarno denounces the Madiun rebels over the radio and calls upon Indonesians to rally to himself and Hatta rather than to Musso and his plans for a
Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
-style government. Musso replies on radio that he will fight to the finish. The People's Democratic Front in Banten and
Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...
announce they have nothing to do with the rebellion. *late September: Pro-government forces, led by the Siliwangi Division, march on Madiun where there are an estimated 5,000-10,000 pro-PKI soldiers. As the rebels retreat they kill Masyumi and PNI leaders and officials, and in the villages killings take place along '' santri- abangan'' lines. *30 September: The rebels abandon Madiun and are pursued by pro-government troops through the countryside.
Aidit Dipa Nusantara Aidit (born Ahmad Aidit; 30 July 1923 – 22 November 1965) was an Indonesian communist politician, who served as General Secretary of the Communist Party of Indonesia (PKI) from 1951 until his summary execution during the mass ...
and
Lukman Lukman or Lucman may refer to the following people Given name * Ingatun-Lukman Gumuntul Istarul Filipino politician * Lukman Alade Fakeye (born 1983), Nigerian sculptor and woodcarver * Lukman Faily (born 1966), Iraqi Ambassador to the United State ...
flee Indonesia for China and Vietnam. *October: The 'national Communists' who had followed Tan Malaka's thinking and opposed the PKI rebellion form the '' Partai Murba'' ('Proletarian Party') becoming the main leftist group among the revolutionaries. *31 October: Musso is killed trying to escape from custody. *1 December: Amir and 300 rebel soldiers are captured by Siliwangi troops. Some 35,000 people are later arrested. It is thought perhaps 8,000 people were killed in the affair. Later in Surakarta, ''santri'' peasants turn on and killed ''abangan'' PKI supporters. *18 December: The Dutch launch a second major military offensive, the second 'police action'. *19 December: The Dutch occupy Yogyakarta city. The Republican government is captured, reportedly intentionally, including
Sukarno Sukarno). (; born Koesno Sosrodihardjo, ; 6 June 1901 – 21 June 1970) was an Indonesian statesman, orator, revolutionary, and nationalist who was the first president of Indonesia, serving from 1945 to 1967. Sukarno was the leader of ...
, Hatta',
Agus Salim ''Haji'' Agus Salim (; October 8, 1884 – November 4, 1954) was an Indonesian journalist, diplomat, and statesman. He served as Indonesia's Minister of Foreign Affairs between 1947 and 1949. Early life Agus Salim was born Masjhoedoelhaq Sali ...
, and Sjahrir. Republican forces withdraw to the countryside beginning full-scale guerrilla war on either side of the van Mook line. The army kill Amir and fifty other leftist prisoners as it withdraws from Yogyakarta that evening, rather than risk their later release. *22 December: International outrage leads to suspension of United States aid funds to the Netherlands. *22 December: With Nasution in effective control of army due to Sudirman's deteriorating health, he proclaims a military government for Java. *1 December: In Java, the Dutch accept a UN call for a ceasefire but guerrilla fighting continues.


1949

*January: Sri Sultan Hamengkubuwana IX resigns as head of the
Yogyakarta Yogyakarta (; jv, ꦔꦪꦺꦴꦒꦾꦏꦂꦠ ; pey, Jogjakarta) is the capital city of Special Region of Yogyakarta in Indonesia, in the south-central part of the island of Java. As the only Indonesian royal city still ruled by a monarchy, ...
district after refusing Dutch attempts at persuading him to become leader of a new
Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...
nese state. His court becomes a primary communication channel between the city and Republican units in the countryside. *January: Cabinets of the Dutch controlled states of East Indonesian and Pasudan resign in protest at the 'police action'. *5 January: In Sumatra, the Dutch accept a UN call for a ceasefire but guerrilla fighting continues. *late January: The
UN Security Council The United Nations Security Council (UNSC) is one of the six principal organs of the United Nations (UN) and is charged with ensuring international peace and security, recommending the admission of new UN members to the General Assembly, and ...
demands the release of the Republican cabinet, the establishment of an interim government, and full transfer of sovereignty to Indonesia by 1 July 1950. The United States government publicly condemns the Netherlands and threatens to cut off vital
Marshall Plan The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative enacted in 1948 to provide foreign aid to Western Europe. The United States transferred over $13 billion (equivalent of about $ in ) in economic re ...
reconstruction aid. *February: In a clash with another Republic group, Tan Malaka and his army unit are defeated; Tan Malaka is captured and executed. *1 March: Lieutenant-Colonel Soeharto leads Republican forces in capturing Yogyakarta for six hours in what is known as the '' General Offensive of 1 March 1949''. While the Dutch recover the city later, they are weakened at all fronts by the offensive. *April: The Dutch accept they must relinquish their claims on Indonesia but insist on preliminary talks with the Republican government. *7 May: In the Roem–Van Roijen Agreement, the Dutch and Indonesia agree that Sukarno and Hatta will order a ceasefire upon their release and return to Yogyakarta, that the Dutch will accept the Republic at a
round table The Round Table ( cy, y Ford Gron; kw, an Moos Krenn; br, an Daol Grenn; la, Mensa Rotunda) is King Arthur's famed table in the Arthurian legend, around which he and his knights congregate. As its name suggests, it has no head, implying that e ...
conference, and that they will create no more federal states. *17 May: Kalimantan Proclamation declared by
Hasan Basry Hasan Basry (June 17, 1923 – July 15, 1984) was a military general, Indonesian nationalist leader, and was a key figure in the liberation of Kalimantan from Dutch rule. During the Indonesian National Revolution, he acted as the military represe ...
and Republican troops in South & Central Kalimantan. *May to June: The Dutch evacuate their citizens from Yogyakarta. *6 July: The Republican government is returned to Yogyakarta although the army is initially reluctant to accept the authority of the civilians it believes deserted the Republic. The army expresses support for the civilian administration when Suharto threatens to resign. *July: A conference is held in Yogyakarta, and agrees that the Republican army will form the basis of the unified armed forces in a new ' Republic of the United States of Indonesia' (RUSI), with Sukarno and Hatta President and Vice-president respectively. *1 August: A ceasefire is announced to take effect on 11 August in Java and 15 August in Sumatra. Following a ceasefire, Hamengkubuwana IX acts as Coordinator of Security and overseas a gradual transfer of military authority from Dutch troops and Indonesian irregulars, to Republic regular troops. Clashes break out and end in South Sulawesi, East Sumatra, South Kalimantan and West Java where local irregular troops resisted the transfer. *7-10 August: Surakarta is besieged in the final major Republican offensive in Central Java, the Siege of Surakarta, striking a final blow to Dutch military morale in Central Java. This is the final battle before the 11 August ceasefire takes effect. The siege by Republicans fails and Dutch forces relieve the city. *23 August to 2 November: The
Dutch–Indonesian Round Table Conference The Dutch–Indonesian Round Table Conference was held in The Hague from 23 August to 2 November 1949, between representatives of the Kingdom of the Netherlands, the Republic of Indonesia and the Federal Consultative Assembly, representing va ...
is held in
The Hague The Hague ( ; nl, Den Haag or ) is a city and municipality of the Netherlands, situated on the west coast facing the North Sea. The Hague is the country's administrative centre and its seat of government, and while the official capital of ...
. Hatta dominates the Indonesian side of the negotiations, earning admiration from all sides. A loose union of the Netherlands and RUSI is agreed upon, the
Netherlands-Indonesian Union The Netherlands-Indonesia Union was a confederal relationship between the Netherlands and Indonesia that existed between 1949 and 1956. History On 15 November 1946 the Linggadjati Agreement was signed between the Netherlands and the soon-to-be in ...
, with the Dutch queen as a symbolic Head of State. Sukarno is named President with Hatta to as both Prime Minister and Vice-president. Dutch investments in Indonesia are provided with various guarantees with further agreement on the need for further financial consultations. Indonesia accepts continued Netherlands sovereignty over Dutch New Guinea, and also accepts responsibility for £4.3 billion of Dutch East Indies debt. *August to December: 12,000 Republican prisoners from Dutch jails are released. *27 December: The Netherlands formally transfers sovereignty over Indonesia, with the exception of
Dutch New Guinea Dutch New Guinea or Netherlands New Guinea ( nl, Nederlands-Nieuw-Guinea, id, Nugini Belanda) was the western half of the island of New Guinea that was a part of the Dutch East Indies until 1949, later an overseas territory of the Kingdo ...
, to the RUSI government. In celebration, the national flag is hoisted at the Independence Palace in a public ceremony.


1950

*23 January 1950: Westerling and about 800 troops capture key points in
Bandung Bandung ( su, ᮘᮔ᮪ᮓᮥᮀ, Bandung, ; ) is the capital city of the Indonesian province of West Java. It has a population of 2,452,943 within its city limits according to the official estimates as at mid 2021, making it the fourth most ...
, but is persuaded by the Dutch High Commissioner and the commander of the Dutch garrison still in Bandung to withdraw the same day. *24 January 1950: A Westerling plot to attack the Indonesian cabinet and assassinate several of its members is uncovered. His troops infiltrate
Jakarta Jakarta (; , bew, Jakarte), officially the Special Capital Region of Jakarta ( id, Daerah Khusus Ibukota Jakarta) is the capital and largest city of Indonesia. Lying on the northwest coast of Java, the world's most populous island, Jakarta ...
after leaving Bandung, but they are driven out. *27 January 1950: Parliament of Pasudan requests that state be dissolved and territory given to the Republic following the arrest of several Pasudan leaders suspected of involvement in the Westerling plot. The request is later granted. *February: Westerling flees Indonesia in disguise. *March: Much of the smaller states now dissolved into the Republic. Hatta cabinet makes hasty legislative arrangements to cater for the shift to unitarism. *early April: Sultan Abdul Hamid II of Pontinak, head of the West Kalimantan state, is arrested as a major instigator in Westerling's plot. Authority of the state is taken over by the RUSI government, resulting in an increase of demands for merger with the Republic from residents and major business and social leaders. *April: Colonial soldiers (mostly
Ambonese The Ambonese, also known as South Moluccans, are an Indonesian ethnic group of mixed Austronesian and Melanesian origin. They are majority Christians followed by Muslims. The Ambonese are from Ambon Island in Maluku, an island group east of Sula ...
), clash with Republican units in Makassar. *25 April: Dr Soumokil proclaims an independent Republic of South Maluku (RMS) in Ambon. *May: A new
East Indonesia The State of East Indonesia ( id, Negara Indonesia Timur, old spelling: ''Negara Indonesia Timoer'', nl, Oost-Indonesië) was a post–World War II state formed in the eastern half of Dutch East Indies. Established in December 1946, it became ...
state cabinet is formed with the intention of planning for full merger with the Republic. *July to November: A tough campaign results in Republican troops crushing the RMS rebellion. *17 August 1950: On the fifth anniversary of the proclamation of Indonesian independence, the RUSI, the Republic as an element of it, and the remaining states of East Sumatra and East Indonesia are replaced by a new
Republic of Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guinea. Ind ...
with a unitary (but provisional) constitution. Jakarta is made the capital of this new state.


See also

*
Indonesian National Revolution The Indonesian National Revolution, or the Indonesian War of Independence, was an armed conflict and diplomatic struggle between the Republic of Indonesia and the Dutch Empire and an internal social revolution during Aftermath of WWII, postw ...
*
History of Indonesia The history of Indonesia has been shaped by geographic position, its natural resources, a series of human migrations and contacts, wars of conquest, the spread of Islam from the island of Sumatra in the 7th century AD and the establishment of ...


References

* M.C. Ricklefs, "''A History of Modern Indonesia Since c. 1200 Third Edition''"; Palgrave Publisher, 2001


Further reading

* Cribb, Robert and Kahin, Audrey (2004) ''Historical dictionary of Indonesia'' 2nd ed. Lanham, Md: Scarecrow Press. {{ISBN, 0-8108-4935-6 Indonesian National Revolution
Indonesian National Revolution The Indonesian National Revolution, or the Indonesian War of Independence, was an armed conflict and diplomatic struggle between the Republic of Indonesia and the Dutch Empire and an internal social revolution during Aftermath of WWII, postw ...