Brunei–Indonesia relations earlier. The Nagarakretagama Javanese poem dated from 1365 CE mentioned "Barune" (Brunei) in canto 14 as one of Majapahit overseas vassal states. The relations between Brunei and the rest of Indonesian Archipelago perhaps has been established earlier during the era of Srivijayan Empire. During European colonial era, Indonesia was fell under Dutch possession as Dutch East Indies, while Brunei together with Singapore and Malaysia was fell under British Empire. In 1960s Indonesia and Brunei indirectly locked in military tension through the Konfrontasi, where Indonesia against the formation of Malaysia and dispatches troops infiltrated Sarawak, North Borneo including Brunei. Republic of
Indonesia–Malaysia confrontation Indonesia during the confrontation. While the latter returned to Sarawak and had his political status rehabilitated, Azahari remained in Indonesia until his death on 3 September 2002. In the aftermath of the Brunei Revolt, the remnants of the TNKU reached Indonesia. Possibly fearing British reprisals (which never eventuated), many Chinese communists, possibly several thousand, also fled Sarawak. Their compatriots remaining in Sarawak were known as the CCO by the UK but called the PGRS—Pasukan Gelilya Rakyat Sarawak (Sarawak People's Guerilla Force) by Indonesia. Soebandrio met with a group of their potential leaders in Bogor, and Nasution sent three trainers from