Brunei revolt of Malaysia. The following units, or significant elements of them, deployed to Borneo in response to the rebellion before May 1963: Brunei revolt The Brunei revolt () was a December 1962 insurrection in the British protectorate of Brunei by opponents of its monarchy and its proposed inclusion in the Federation of Malaysia. The insurgents were members of the TNKU (North Kalimantan National Army), a militia supplied by Indonesia and linked to the leftwing Brunei People's Party (BPP), which favoured a North Borneo Federation. The TNKU began co-ordinated attacks on the oil town of Seria (targeting the Royal Dutch Shell oil
Brunei–Malaysia border Brunei–Malaysia border The border between Brunei and Malaysia consist of a 481.3 km land border and substantial lengths of maritime borders stretching from the coastline of the two countries to the edge of the continental shelf in the South China Sea. Except for its South China Sea coastline, Brunei is entirely surrounded by Malaysia's Sarawak state and the country only shares a land boundary with Malaysia. Brunei's unique shape where its territory consists of two non-contiguous portions results in its border with Malaysia being broken into two segments. Brunei's 200 nautical mile continental shelfclaim makes it a claimant of a