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
Languages of Brunei Languages of Brunei There are a number of languages spoken in Brunei. The official language of the state of Brunei is Standard Malay, the same Malaccan dialect that is the basis for the standards in Malaysia and Indonesia. This came into force on 29 September 1959, with the signing of Brunei 1959 Constitution. Malay is specified as the national language of Brunei in the constitution of 1959, and its central role in the country is reinforced in the national MIB philosophy ("Melayu Islam Beraja", 'Malay Islamic Monarchy'). While the variety of Malay that functions as the national language is not