page_title: History of Indonesia
section_title: Japanese occupation
hierarchical_section_title: History of Indonesia / The emergence of Indonesia / Japanese occupation
caption_attribution_description: Japanese troops move through Java. (Sectie Militaire Geschiedenes Landmachstaf)
context_page_description: The history of Indonesia has been shaped by its geographic position, its natural resources, a series of human migrations and contacts, wars and conquests, as well as by trade, economics and politics. Indonesia is an archipelagic country of 17,000 to 18,000 islands stretching along the equator in South East Asia. The country's strategic sea-lane position fostered inter-island and international trade; trade has since fundamentally shaped Indonesian history. The area of Indonesia is populated by peoples of various migrations, creating a diversity of cultures, ethnicities, and languages. The archipelago's landforms and climate significantly influenced agriculture and trade, and the formation of states. The boundaries of the state of Indonesia represent the 20th century borders of the Dutch East Indies.
  Fossilised remains of Homo erectus and his tools, popularly known as the "Java Man", suggest the Indonesian archipelago was inhabited by at least 1.5 million years ago. Austronesian people, who form the majority of the modern population, are thought to have originally been from Taiwan and arrived in Indonesia around 2000 BCE.
context_section_description: The Japanese invasion and subsequent occupation during World War II ended Dutch rule and encouraged the previously suppressed Indonesian independence movement. In May 1940, early in World War II, the Netherlands was occupied by Nazi Germany. The Dutch East Indies declared a state of siege and in July redirected exports for Japan to the US and Britain. Negotiations with the Japanese aimed at securing supplies of aviation fuel collapsed in June 1941, and the Japanese started their conquest of Southeast Asia in December of that year. That same month, factions from Sumatra sought Japanese assistance for a revolt against the Dutch wartime government. The last Dutch forces were defeated by Japan in March 1942.
  In July 1942, Sukarno accepted Japan's offer to rally the public in support of the Japanese war effort. Sukarno and Mohammad Hatta were decorated by the Emperor of Japan in 1943. However, experience of the Japanese occupation of Dutch East Indies varied considerably, depending upon where one lived and one's social position. Many who lived in areas considered important to the war effort experienced torture, sex slavery, arbitrary arrest and execution, and other war crimes. Thousands taken away from Indonesia as war labourers (romusha) suffered or died as a result of ill-treatment and starvation. People of Dutch and mixed Dutch-Indonesian descent were particular targets of the Japanese occupation.
  In March 1945, the Japanese established the Investigating Committee for Preparatory Work for Independence (BPUPK) as the initial stage of the establishment of independence for the area under the control of the Japanese 16th Army. At its first meeting in May, Soepomo spoke of national integration and against personal individualism, while Muhammad Yamin suggested that the new nation should claim British Borneo, British Malaya, Portuguese Timor, and all the pre-war territories of the Dutch East Indies. The committee drafted the 1945 Constitution, which remains in force, though now much amended. On 9 August 1945 Sukarno, Hatta, and Radjiman Wediodiningrat were flown to meet Marshal Hisaichi Terauchi in Vietnam. They were told that Japan intended to announce Indonesian independence on 24 August. After the Japanese surrender, however, Sukarno unilaterally proclaimed Indonesian independence on 17 August. A later UN report stated that four million people died in Indonesia as a result of the Japanese occupation.
caption: Japanese bicycle infantry move through Java during their occupation over the Dutch East Indies.
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