Indonesia–Malaysia confrontation Indonesia–Malaysia confrontation The Indonesian–Malaysian confrontation or Borneo confrontation (also known by its Indonesian/Malay name, Konfrontasi) was a violent conflict from 1963–66 that stemmed from Indonesia's opposition to the creation of Malaysia. The creation of Malaysia was the amalgamation of the Federation of Malaya (now West Malaysia), Singapore and the crown colony/British protectorates of North Borneo and Sarawak (collectively known as British Borneo, now East Malaysia) in September 1963. Important precursors to the conflict included Indonesia's policy of confrontation against Netherlands New Guinea from March–August 1962 and the Brunei Revolt in December 1962. The confrontation was an undeclared war with most
Brunei and Malaysia and most of his senior cabinet ministers, including Tun Abdul Razak, Razali Ismail and Tan Siew Sin, met with the Sultan of Brunei to negotiate conditions including: Brunei pulled out of the negotiations before the Malaysia Agreement was signed on 9 July 1963 and subsequently became independent from the United Kingdom on 1 January 1984. Brunei and Malaysia Brunei and Malaysia: " Why Sultan Omar Ali Saifuddin Refused to Join the Federation " is a 2013 book written by Isa Bin Ibrahim, a prominent member of the delegation of Sultan Omar Ali Saifuddin of Brunei with Neil Lawson QC, a