27 April - The first phase of Marina Bay Sands, which includes 963 hotel rooms, part of the shopping mall and convention center, celebrity chef restaurants along with other dining outlets and Singapore's second casino, open.
30 April - StarHub TV changed all its channel numbers to a new three-digit numbering system.
May
1 May to 31 October - Singapore participates in the Expo 2010, which is held in Shanghai.
16 June - Heavy downpour causes flash floods around Singapore, Orchard Road being the worst hit.
17 June - Resorts World Sentosa resident circus show, entitled Voyage de la Vie, debuts.
19 June - *SCAPE is launched officially.
23 June - The second phase of Marina Bay Sands, which includes the Event Plaza along Marina Bay, more shops, additional dining options, and nightlife offerings, open as part of the grand opening celebration.
20 September - Singapore and Malaysia have settled a land swap agreement for four land parcels in Marina South and two land parcels in the Ophir Rochor area.
5 November - Qantas Flight 6, a Boeing 747-400, made an emergency landing at Singapore Changi Airport following an engine problem shortly after takeoff. No one was hurt.
22 November - The Land Transport Authority completes a thorough review of bus stop pair distances and found out that bus commuters were overcharged $300,000 and undercharged $100,000.
22 November - Hong San See wins the Asia-Pacific Heritage Awards for Culture Heritage Conservation from UNESCO.
30 May - The upgrading works for the Tampines Bike Park has been completed and certified by Union Cycliste Internationale (UCI), as ready to host the Bicycle Moto-Cross (BMX) and Mountain Bike competition for the Singapore 2010 Youth Olympic Games.
5 July - Tickets to the closing ceremony are available for public sale.
6 July - The Government of Singapore expects to spend S$387 million on the inaugural Youth Olympic Games.
3 October to 14 October - Team Singapore participates in the 2010 Commonwealth Games held in New Delhi. Team Singapore garnered 11 gold, 11 silver and 9 bronze medals.
12 November to 27 November - Team Singapore participates in the 2010 Asian Games held in Guangzhou. Team Singapore garnered 4 gold, 7 silver and 6 bronze medals.