Thailand History Timeline

Year Thailand Event in History
-600 Chinese T’ai migration recorded
-300 Indian settlements, bringing the Hindu religion.
1000 The Mons, from Burma, establishes themselves in Central Thailand.
1350 Monarchy established
A unified Thai kingdom is established under the rule of King Ramathibodi. A series of kings follow, ruling what was then known as Siam.
1516 Portuguese envoy
Portuguese send an envoy to the Thai Court and sign a treaty.
1529 War with Burma
1782 Chakri dynasty
Beginning of the Chakri dynasty under King Rama I.
1782 The new capital, Bangkok, is founded.
1833 First American envoy to the Thai Court
The United States and Siam (now Thailand) concluded a commercial treaty in Bangkok.
1833 Thai-Vietnam war
1896 British-French treaty guarantees independence
A British-French treaty guarantees independence for the new country.
1905 Slavery was abolished
1917 Siam becomes ally of Great Britain in World War I.
1939 Siam changes its name to Thailand (“Land of the Free”).
1941 Japan invades Thailand
Japan invades Thailand in World War II, forcing Thailand to fight with Japan in the war.
1942 Ambassador declares war on Britain and US.
Thailand declares war on Britain and the United States, but the Thai ambassador in Washington refuses to deliver the declaration to the U.S. government.
1944 Thailand takes back a declaration of war
Thailand takes back a declaration of war against the United States and Britain. After the war, it becomes an ally of the U.S.
1945 End of World War II.
End of World War II. Thailand is compelled to return territory it has seized from Laos, Cambodia, and Malaya. Exiled King Ananda returns.
1946 King Ananda assassinated.
1946 Thailand becomes the 55th member of the United Nations.
1962 United States sends troops to Thailand.
Thailand permits the United States to use bases there during the Vietnam War. Thai troops fight in South Vietnam.
1973 Free elections are held
Student riots in Bangkok bring about the fall of the military government. Free elections are held but the resulting governments lack stability.
1976 Military takes over again.
1978 New constitution promulgated.
2004 Indian Ocean earthquake and tsunami:
On December 26, 2004, a massive earthquake and resulting tsunami struck the coasts of Thailand and several other countries in Southeast Asia. More than 8,000 people in Thailand lost their lives, and the disaster caused widespread damage to infrastructure and the economy.
2006 Thaksin Shinawatra
Prime Minister Thaksin Shinawatra accuses several army officers of plotting to kill him after police find a car containing bomb-making materials near his house.
2007 Martial law is lifted in more than half of the country.
2008 Thai troops shoot two Cambodian soldiers
Thai troops shoot two Cambodian soldiers in a firefight on the disputed border, near the Preah Vihear temple.
2010 Mass protest
Tens of thousands of Thaksin supporters - in trademark red shirts - paralyze central Bangkok with a month-long protest calling for Prime Minister Abhisit's resignation.
2011 Pheu Thai party
The pro-Thaksin Pheu Thai party wins a landslide victory in elections.
2013 Rice prices
Government cuts the guaranteed price for rice, provoking an angry reaction from farmers and protests in Bangkok.
2018 2018 cave rescue
In June and July 2018, the world watched as a team of international rescuers worked to save a group of young soccer players and their coach who were trapped in a flooded cave in northern Thailand. The dramatic rescue mission involved a complex network of divers, engineers, and volunteers, and captured the attention of people around the globe.
2020 Anti-government protests
Thailand saw a wave of anti-government protests led by young activists calling for democratic reforms and an end to military influence in politics. The protests were met with a crackdown by the authorities, including arrests and charges of lese majeste (insulting the monarchy), which carries severe penalties in Thailand.

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