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Thailand History Timeline

Thailand's Information

Flag of Thailand
Land Area 510,890 km2
Water Area 2,230 km2
Total Area 513,120km2 (#50)
Population 68,200,824 (#20)
Population Density 133.49/km2
Government Type Constitutional Monarchy; Note - Interim Military-affiliated Government Since May 2014
GDP (PPP) $1,160.00 Billion
GDP Per Capita $16,800
Currency Baht (THB)
Largest Cities
1000 - 1400
  • (1000 - 1099) Thais began moving from southern China to (present day) Thailand
  • (1350) Unified Thai Kingdom established by King Ramathibodi; area was called Siam
  • (1350 - 1767) Thailand gradually came under control of Ayutthaya Kingdom, became major power in southeast Asia, including parts of Cambodia, Laos, Burma
  • (1448) King Ramesuan unified Ayutthaya and north central Thailand's Sukhothai Kingdoms
1500 - 1700
  • (1590 - 1605) King Naresuan ruled, considered to be Ayutthay's greatest king; ended Burmese overlordship
  • (1688) Siamese people ousted French from Bangkok and Siam in Siege of Bangkok
  • (1767) Burmese invaded capital city of Ayutthaya, left it in ruins
  • (1768 - 1782) Thonburi Kingdom reestablished Thai control under Taksin the Great
  • (1782) Taksin ousted by coup led by General Chao Phraya Chakri
  • (1782) Chakri Dynasty under King Rama I began, country named Siam, Bangkok became capital
  • (1804 - 1868) King Rama IV initiated modernization of Thailand
  • (1820) Cholera pandemic killed around 30,000 in Bangkok
  • (1828) Siamese forces invaded Laos
  • (1868) King Roma IV died, son Chulalongkorn (Rama V) took over
  • (1868 - 1910) During reign of King Rama V, Siam's administration and commerce were modernized, railway developed
  • (1893) During Franco-Siamese War, three French ships were fired on by Siamese, France won battle, blocked Bangkok, ended the war
  • (1896) Siam ceded Laos to France
  • (1902) Siam annexed three southern provinces that had been part of Kingdom of Pattani
  • (1910) King Rama V's reign ended, son Vajiravudh succeeded as Rama VI
  • (1917) In World War I, Siam became ally of Great Britain
  • (1925) King Rama VI died, Prince Prajadhipok became King Rama VII
  • (1932) Bloodless coup ended absolute monarchy, Siam became constitutional monarchy
  • (1935) King Rama VII abdicated due to political quarrels with new government and health problems
  • (1935) Nine-year old Ananda Mahidol named King Rama VIII; Parliament appointed Colonel Prince Anuwatjaturong, Lieutenant Commander Prince Artit Thip-apa, Chao Phraya Yommaraj (Pun Sukhum) as his regents
  • (1941) Japanese forces landed; Thailand allowed them to advance toward British-controlled Malay Peninsula, Singapore, Burma
  • (1942) Thailand declared war on Britain and US; Thai Ambassador refused to declare declaration of war to US government in Washington
  • (1945) World War II ended; Thailand forced to return territories seized from Laos, Cambodia, Malaya
  • (1946) King Ananda was assassinated, brother Bhumibol Adulyadej became king
  • (1946) Thailand became member of United Nations
  • (1947) Pro-Japanese leader, Phibun Songkhram, staged military coup
  • (1960s - 1970s) Thailand was involved in conflicts in Cambodia and Vietnam
  • (1960s - 1970s) US was allowed to use military bases in Thailand during Vietnam war
  • (1960s - 1970s) Thai troops fought in South Vietnam
  • (1973) Students rioted in Bangkok resulting in fall of military government
  • (1973) Free elections held, new government lacked stability
  • (1976) Students demonstrating at Thammasat University against return of military ruler, Thanom Kittikachorn, were shot, beaten, bodies mutilated; 46 died
This page was last updated on April 7, 2017.

Thailand Trivia

What is the Largest Ethnic Group in Thailand?

The Thai people make up the largest ethnic group of Thailand, representing 91.5% of the population.

Largest Ethnic Groups In Thailand

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