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British India (English British India or British Raj, from Hindi [राज] rāj [rɑːdʒ] Audio-Datei / Hörbeispiellisten? /i) narrowly refers to the British colonial empire in the Indian subcontinent between 1858 and 1947. British India was established after the suppression of the Indian Rebellion of 1857 by converting the previous possessions of the British East India Company into a crown colony. At the time of its greatest expansion, British India included not only the territory of what is now the Republic of India, but also the territories of the present-day states of Pakistan, Bangladesh, Nepal, Bhutan, Myanmar, and parts of Kashmir under present-day control of the People's Republic of China. In 1876, Queen Victoria of Great Britain was proclaimed Empress of India, and the Empire of India (Indian Empire) was generally regarded as "the Jewel in the Crown of the British Empire". A distinctive feature of British India was that only about two-thirds of its population and half of its land area were under direct British rule. The rest was under the rule of native dynasties of princes who had a personal allegiance to the British Crown. There were more than 500 such princely states in all, varying greatly in size. Some maharajas ruled only a few villages, while some ruled vast lands with millions of subjects.

Under the name of India, this Union was a participant in both World Wars, a founding member of the League of Nations, the United Nations, and a participant in the Olympic Games of 1900, 1920, 1928, 1932, and 1936.

In 1947, British India gained its independence and the partition of India split it into two dominions, the Indian Union and Pakistan. The province of Burma (today's Myanmar) in the east of British India, on the other hand, had already been declared a separate colony in 1937 and finally gained independence in 1948.