25 April – Police national serviceman Lee Kim Lai was murdered for his revolver by Ong Chin Hock, Yeo Ching Boon and Ong Hwee Kuan. En route to kidnapping him from his sentry post at Mount Vernon, they also killed the taxi driver, Chew Theng Hin.[1]
October
12 October – The Spyros disaster occurred at Jurong Shipyard, resulting in 76 fatalities.[2]
November
10–11 November – Floods occurred in Singapore, leaving 2 fatalities.[3]
12–14 November – Then Senior Vice-Premier of the People's Republic of China Deng Xiaoping visits Singapore, setting the foundation for China–Singapore relations before being formally established on 3 October 1990.[4]
December
2–3 December – Another flood hit Singapore after about 512 millimetres (20.2 in) of rain fell in just 24 hours, causing 7 fatalities.[5]
