Following the surrender of the Japanese on 12 September 1945, Singapore was temporarily administered by the British Military Administration. The British Military Administration proclaimed that all Japanese Proclamations and Decrees ceased to have effect, and that "all laws and customs existing immediately prior to the Japanese occupation will be respected". The British Military Administration came to an end on 31 March 1946. The Straits Settlements were disbanded and Singapore was made a separate Crown Colony on 1 April 1946. The Supreme Court, consisting of a High Court and a Court of Appeal, was constituted by the Singapore Colony Order in Council. The Court of Criminal Appeal continued to function. Final appeals lay to the Judicial Committee of the Privy Council in England.



The prolific growth of specialised medical treatment in the 1970s fuelled the need for an expansion of existing medical infrastructure. Consequently, the construction of a new Singapore General Hospital complex was commenced in the late 1970s. Built at a cost of S$180 million, the new eight-block complex housing over 1,500 hospital beds and 300 specialists was integrated into the site of its 1926 predecessor and was officially opened by the then Prime Minister Lee Kuan Yew on 12 September 1981.



Chin Woon Ping's Details Cannot Body Wants was the first Singapore play to receive a Restricted (R) rating, granting admission to viewers above 18 years of age. It was one of two plays staged in the double-bill Renewable Women by the National University of Singapore Society and was first performed at the Substation's Guiness Theatre on 12 September 1992.





On 12 September 1997, two companies, Raffles Medical Group (RMG), a health-care provider, and Pidemco Land, a government linked enterprise, formed a joint-venture company, Pidemco-Raffles Properties, to convert Blanco Court into the second-largest private general hospital in Singapore. As one of the biggest medical group in Singapore, RMG had been running a chain of more than 35 clinics, and its health care project, the Raffles SurgiCentre, had been operating from leased premises since it was established in 1993 . Serving half a million patients by then, the practice needed to expand into a full-fledged hospital.



Library@Esplanade, officially opened on 12 September 2002, is Singapore's first performing arts library. It is located in the Esplanade - Theatres on the Bay building.




The Singapore Maritime Gallery was opened on 12 September 2012 by Mr Lui Tuck Yew, Minister for Transport.