India–United Kingdom relations would remain the empire's most important colony until independence. Queen Victoria became Empress of India in 1876. From a small trading outpost, India became the jewel in the British crown. In 1858, the British Government took control of the territories and treaty arrangements of the former East India Company. In 1876, the area, which included modern India, Pakistan, and Bangladesh, became "the Indian Empire" (often known historically as the "British Raj") with British Monarch Queen Victoria proclaimed as "Empress of India" (a title held by her successors until 1947). The British Indian Army was established and assisted Britain in many
Colony of Aden was separated from British India to become a Crown Colony, a status that it retained until 1963. It consisted of the port city of Aden and its immediate surroundings (an area of 192 km², 75 sq. miles). The Aden Settlement, and later Aden Colony, also included the outlying islands of Kamaran ("de facto"), Perim and Kuria Muria (see map). Prior to 1937, Aden had been governed as part of British India (originally as the Aden Settlement under the Bombay Presidency, and then as a Chief Commissioner's province). Under the Government of India Act 1935 the territory was detached from British