Myanmar
British Burma (1885–1948)

In the 19th century, Burmese rulers sought to maintain their traditional influence in the western areas of Assam, Manipur and Arakan. Pressing them, however, was the British East India Company, which was expanding its interests eastwards over the same territory. Over the next sixty years, diplomacy, raids, treaties and compromises, known collectively as the Anglo-Burmese Wars, continued until Britain proclaimed control over most of Burma. With the fall of Mandalay, all of Burma came under British rule, being annexed on 1 January 1886.

Throughout the colonial era, many Indians arrived as soldiers, civil servants, construction workers and traders and, along with the Anglo-Burmese community, dominated commercial and civil life in Burma. Rangoon became the capital of British Burma and an important port between Calcutta and Singapore. Burmese resentment was strong, and was vented in violent riots that periodically paralysed Rangoon until the 1930s. Some of the discontent was caused by a disrespect for Burmese culture and traditions. Buddhist monks became the vanguards of the independence movement. U Wisara, an activist monk, died in prison after a 166-day hunger strike.

On 1 April 1937, Burma became a separately administered colony of Britain, and Ba Maw became the first Prime Minister and Premier of Burma. Ba Maw was an outspoken advocate for Burmese self-rule, and he opposed the participation of Britain, and by extension Burma, in World War II. He resigned from the Legislative Assembly and was arrested for sedition. In 1940, before Japan formally entered the war, Aung San formed the Burma Independence Army in Japan.

As a major battleground, Burma was devastated during World War II by the Japanese invasion. Within months after they entered the war, Japanese troops had advanced on Rangoon, and the British administration had collapsed. A Burmese Executive Administration headed by Ba Maw was established by the Japanese in August 1942. Wingate 's British Chindits were formed into long-range penetration groups trained to operate deep behind Japanese lines. A similar American unit, Merrill's Marauders, followed the Chindits into the Burmese jungle in 1943.

Beginning in late 1944, allied troops launched a series of offensives that led to the end of Japanese rule in July 1945. The battles were intense with much of Burma laid waste by the fighting. Overall, the Japanese lost some 150,000 men in Burma with 1,700 prisoners taken. Although many Burmese fought initially for the Japanese as part of the Burma Independence Army, many Burmese, mostly from the ethnic minorities, served in the British Burma Army. The Burma National Army and the Arakan National Army fought with the Japanese from 1942 to 1944 but switched allegiance to the Allied side in 1945. Overall, 170,000 to 250,000 Burmese civilians died during World War II.

Following World War II, Aung San negotiated the Panglong Agreement with ethnic leaders that guaranteed the independence of Myanmar as a unified state. Aung Zan Wai, Pe Khin, Bo Hmu Aung, Sir Maung Gyi, Sein Mya Maung, Myoma U Than Kywe were among the negotiators of the historic Panglong Conference negotiated with Bamar leader General Aung San and other ethnic leaders in 1947. In 1947, Aung San became Deputy Chairman of the Executive Council of Myanmar, a transitional government. But in July 1947, political rivals assassinated Aung San and several cabinet members.
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