Plaek Phibunsongkhram

Plaek Phibunsongkhram
Name	Plaek Phibunsongkhram
Order	Prime Minister of Thailand
Term start	16 December 1938
Term end	1 August 1944
Monarch	Ananda Mahidol
Predecessor	Phraya Phahonphonphayuhasena
Successor	Khuang Aphaiwong
Term start2	8 April 1948
Term end2	16 September 1957
Monarch2	Bhumibol Adulyadej
Predecessor2	Khuang Aphaiwong
Successor2	Pote Sarasin
Birth date	14 July 1897
Birth place	Nonthaburi, Siam
Death date	11 June 1964 (aged 66)
Death place	Sagamihara, Japan
Party	Khana Ratsadon (1932–1944), Seri Manangkhasila Party (1955–1957)
Spouse	La-iad Phibunsongkhram
Allegiance	Thailand
Branch	Royal Thai Army
Serviceyears	1914–1957
Rank	Field Marshal
Battles	Franco-Thai War, Pacific War

Plaek Phibunsongkhram was a Thai military officer and politician who served as the Prime Minister of Thailand from 1938 to 1944 and again from 1948 to 1957. A leading member of the Khana Ratsadon (People's Party) that staged the Siamese revolution of 1932, he was a staunch nationalist and modernizer who profoundly shaped modern Thailand. His rule was marked by authoritarian policies, a controversial alliance with Japan during World War II, and the promotion of a series of cultural edicts designed to modernize the nation.

Early life and military career

Born in Nonthaburi, he graduated from the Chulachomklao Royal Military Academy and was sent for advanced artillery training in France. There, he was influenced by republican and nationalist ideas, becoming a key conspirator in the Khana Ratsadon. Following the success of the Siamese revolution of 1932, which transformed absolute Siam into a constitutional monarchy, he quickly rose through the ranks of the Royal Thai Army. He played a significant role in suppressing the Boworadet rebellion in 1933, a royalist revolt against the new government, solidifying his position as a powerful military figure.

Prime Minister of Thailand

After becoming the country's third prime minister in 1938, succeeding Phraya Phahonphonphayuhasena, he established an intensely nationalist and authoritarian regime. His government promoted the concept of Thai racial superiority and enacted the Cultural Mandates of Phibunsongkhram, which mandated Western dress, encouraged the use of the national language, and even changed the country's name from Siam to Thailand in 1939. Internationally, he pursued an irredentist policy, leading to the Franco-Thai War which resulted in territorial gains from French Indochina mediated by Japan.

World War II and alliance with Japan

Following the Japanese invasion of Thailand in December 1941, after brief resistance, his government signed a military alliance with Japan and declared war on the Allies in January 1942. Thailand became a base for the Japanese Imperial Army's campaigns in Burma and Malaya, and formally annexed territories from British Malaya and British Burma. Domestically, he promoted the war as a national struggle, while the Free Thai Movement, led by Pridi Banomyong and supported by the US Office of Strategic Services, organized resistance. Mounting economic hardship and Allied advances led to his resignation in 1944.

Postwar politics and exile

In the immediate postwar period, he was put on trial as a war criminal by the new government led by Pridi Banomyong, but was acquitted, partly due to American geopolitical concerns amid the emerging Cold War. He remained a potent symbol for conservative and military factions. Following a period of political instability that included the mysterious death of King Ananda Mahidol and an army coup led by Phin Choonhavan, he was invited to return as prime minister in 1948, replacing Khuang Aphaiwong.

Return to power and later years

His second premiership was even more explicitly anti-communist and authoritarian, aligning Thailand closely with the United States during the Cold War. He sent troops to fight in the Korean War and later allowed the establishment of U.S. air bases in Thailand during the Vietnam War. Domestically, he suppressed political opponents and centralized power, founding the Seri Manangkhasila Party to consolidate his rule. His government was overthrown in a bloodless coup in 1957 led by Sarit Thanarat, following public outrage over a fraudulent election and his perceived disrespect toward King Bhumibol Adulyadej. He spent his final years in exile, dying in Sagamihara, Japan, in 1964.

Legacy and cultural policies

His legacy is deeply contested; he is remembered both as a modernizing strongman who championed Thai nationalism and as an opportunistic collaborator with Japanese militarism. The Cultural Mandates of Phibunsongkhram had a lasting impact on Thai society, standardizing the national language and altering social customs. His staunch anti-communist foreign policy set the course for Thailand's alliance with the Western Bloc, while his authoritarian style of military-dominated politics became a recurring pattern in Thai political history.

Category:Prime Ministers of Thailand Category:Thai military personnel Category:Thai nationalists