The coup ousted the government of Pridi Banomyong's frontman, Luang Thamrong, to make royalist Khuang Aphaiwong Prime Minister of Thailand.

The coup was led by Plaek Phibunsongkhram, Phin Choonhavan and Kat Katsongkhram as a bid to regain the royalists' political power and Crown Property back from the reforms of the Siamese revolution of 1932.

The United States established the Bretton Woods system for commercial and financial relations to promote capitalism after the end of the Second World War.

[1] On 1 August 1944, as the Allies, sided by underground resistance the Free Thai Movement, were winning the Second World War, the pro-Japanese strongman Field Marshal Plaek Phibunsongkhram was forced by parliament to resign his premiership.

He was replaced by, Khuang Aphaiwong, a civilian who had the backing of Pridi Phanomyong, regent for the absent King Ananda Mahidol and head of the Free Thai Movement.

[4] Pridi invited, the US-supported, a royalist, and Free Thai Movement member, Seni Pramot to become prime minister.

[2][7] Up until the resignation of his wartime ally, Pridi had enjoyed the prestige of his position as a senior statesman without having to involve himself in everyday politics.

[2] On 9 June 1946, the 20 year-old King Ananda Mahidol, who had restored popularity to the monarchy,[7] was found dead in his bedroom of a gunshot wound to the head, resulted in a serious political crisis.

[8] Khuang, Seni, and the royalists who dominated their newly formed Democrat Party were quick to blame Pridi, spreading the rumour that the prime minister and his supporters had assassinated the monarch for their own political purposes and possibly to establish a republic.

[12] Phin Choonhavan and Kard Kardsonggram, retired army officers, had tried to contact Phibun with a help from Democrat Party to inform the coup plot.

[citation needed] On 9 November 1947 at 2:00 am, the armed forces, led by Phibun, began the coup by sending a squadron of tanks to Amphorn Gardens near the government centre.

Unbeknownst to them, Pridi was hiding under the protection of Admiral Luang Sinthusongkramchai, commander of the Royal Thai Navy at his base.

The junta called themselves the "National Military Council" included Lieutenant General Phin Choonhavan and Colonel Kard Kardsonggram.

[citation needed] On the morning of 9 November, General Choonhavan, the spokesman for the junta,[10] read a declaration to the press and broadcast by radio outlining the cause of the coup.

He claimed the government's incompetence caused the people to suffer from high prices and the general lack of food and goods.

[citation needed] Royalist allied were led by Khuang Aphaiwong and Seni Pramoj, celebrated the junta on the same day.

[19] A democracy development and the People Party started to deteriorate after the coup, which was the turning point of the royalists to regain the power back from the Siamese revolution of 1932.