Brunei revolt to achieve key objectives such as the capture of Brunei town and Sultan Omar Ali Saifuddien III. The revolt influenced the Sultan's 1963 decision not to join Malaysia. It is seen as one of the first stages of the Indonesia–Malaysia confrontation. The northern part of the island of Borneo was composed of three British territories: the colonies of Sarawak and North Borneo (to be renamed Sabah) and the protectorate of the Sultanate of Brunei. Brunei became a British protectorate in 1888, had an area of about and some 85,000 people. Just over half of the people were Malays, a quarter
Brunei–Malaysia border goes a further 44 km to the Teraja Hills. From there, the border runs along the watershed between the Belait and Tutong rivers on one hand, and the Baram and Limbang rivers on the other hand. It then proceeds along the watershed of the Brunei and Limbang river basins, enters and runs along Sungai Mendaun, Sungai Melais and Sungai Menunggul (Menunggol) until its estuary at Brunei Bay. The land border between Malaysia and Brunei's Temburong District (which is separated from the other part of Brunei) starts at the estuary of the Pandaruan River and runs the entire length of the