I missed last month's 50th anniversary of the final peace agreement being ratified but, noting the lack of publicity, I don't appear to have been the only one. Perhaps the successful prosecution and ending of this 'small war' will be given some recognition at this year's Remembrance Day services.
Wikipedia said:On 28 May 1966, at a conference in Bangkok, the Malaysian and Indonesian governments declared the conflict was over. However, it was unclear if Suharto was in full control of Indonesia (rather than Sukarno), and vigilance in Borneo could not be relaxed. With Suharto's co-operation a peace treaty was signed on 11 August and ratified two days later..
Wikipedia said:The Singapore Act 1966 (1966 c. 29) was an Act of the Parliament of the United Kingdom that admitted Singapore as a sovereign state into the Commonwealth of Nations with retroactive effect from 9 August 1965, being the date on which Singapore became an sovereign state separate from and independent of Malaysia within the Commonwealth.
As a result of the Act, Singapore became the third former colony of the United Kingdom in Southeast Asia achieving full independence.