The formal signing of the surrender instrument was held at City Hall, Singapore, then known as "Municipal Hall", on 12 September 1945. This was followed by a celebration at the Padang, which included a victory parade. Lord Louis Mountbatten, Supreme Allied Commander of South East Asia Command, came to Singapore to receive the formal surrender of the Japanese forces in the region from General Seishirō Itagaki on behalf of General Hisaichi Terauchi. A British military administration utilizing surrendered Japanese troops as security forces was formed to govern the island until March 1946.
The above two stamps, released in 1960, are the first stamps depicting new National flag of Singapore to have the words “State of Singapore” printed on them.
The British granted internal self-government of Singapore in 1959. On 31st August 1963 Singapore declared independence from Britain. Singapore became part of Malaysia between 1963 and 1965. On 9 August 1965, it broke away from Malaysia and became a fully independent sovereign nation.