The history of the territory of the nowadays Thailand can be summarised into three main areas.

The first as the time before and in Sukhothai, the second as the time of Ayuthaya and the third as after Ayuthaya or Rattanakosin/Bangkok including Thonburi.

Timeline  

Period One

The first period started in the metal ages with the foundation of Ban Chiang, near nowadays Ubon Ratchathani. It included the ancient kingdoms on Thailand's soil and concluded with the kingdom of Sukhothai.

 
Event
Time
Spirit Caves, near Pang Ma Pha in Mae Hong Son province
11000 - 5000 BC
First settlement in Ban Chiang, near Ubon Ratchathani, probably one of the 'cradles of civilization'
3600 - 1000 BC
Settlement at Ban Non Wat
2100 BC
Copper site of Non Pa Wai, one of the largest Asian copper works sites
1500 BC
Bronze Age settlement at Non Nok Tha
1500 - 1000 BC
Copper Age settlement at Ban Na Di, near Udon Thani
1313 - 903 BC
Ban Prasat pottery created at Prasat Hin Phanom Wan
1000 BC
Jewelry, bronze and iron tools and pottery from Noen U-Loke
1000 - 1 BC
Early Mon villages in the central plains and northern higlands and Khmer settlements in the Mekhon village
900 BC
Pottery and bracelets show that Phimai was settled
500 BC
Development of a complex society at Ban Chaibadan
300 - 200 BC
Moated settlement at Non Muang Kao
1 - 600 AD
First stone inscriptions in Mon language
600 AD
Lopburi found under the name Lawo
600 AD
Malay Empire of the Srivijaya with center in Indonesian Sumatra dominates wide areas of Southern and Central Thailand
200 - 1400 AD
Mon Empire of Dvaravati with capital in Nakhon Pathom
500 - 1100 AD
Mon Harinpunchai Empire with capital in Lamphun
750 - 1292 AD
Khmer sanctuary at Sadokkokthom, near Aranyaprathet
800 - 900 AD
Petchaburi found
800 AD
Suphanburi found
877 - 882 AD
Development of Prasat Hin Phanom Wan to an important position within the Khmer Empire
900 - 1000 AD
Phichit found
1058 AD
Phayao found and Phayao kingdom established
1096 AD
Domination of large parts of Thailand by the Angkor Empire
1130 - 1238 AD
Khmer hospital site built at Prang Ku by king Javavarman VII
1200 - 1300 AD
Pho Khun Pha Muang and later King Indrathit, Pho Khun Bang Klang Hao, take over Sukhothai, declare their independence from Angkor Empire and establish a Thai ruled kingdom
1238 AD
Sri Indrathit becomes king of Sukhothai
1249 AD
King mengrai the Great founds the Lanna Kingdom
1259 AD
King Ramkhamhaeng the Great asends to the thron of Sukhothai as third king
1278 AD
King Ramkhamhaeng invents the first Thai alphabet as a sign of the nation's independence
1283 AD
Creation of the most important stone inscription of Sukhothai which displays the history of the city
1292 AD
King mengrai of the Lanna annexes the haripunchai Kingdom
1292 AD
The Lanna take over Tak from Sukhothai
1321 AD

Period Two - Ayuthaya

The second period started before Ayuthaya took over the rule over main parts of Siam. It finished with the downfall of Ayuthaya after 417 years dominance to the Burmese armies.

 
King Ramathibodi I (King Uthong) founds the city of Ayuthaya as capital of his empire
1350 AD
Theravada Buddhism is introduced as the main religion
1360 AD
First reign of the Uthon dynasty
1350 - 1370 AD
First reign of the Suphannaphum dynasty
1370 - 1388 AD
Ayuthaya absorbs the Sukhothai kingdom
1376 AD
Second reign of the Uthong dynasty
1388 - 1409 AD
Second reign of the Suphannaphum dynasty
1409 - 1569 AD
King Borommatrailokanat moves the capital temporarily to Phitsanulok to strengthen the control of the city after it had been attacked by the Lanna
1463 AD
First contacts with Europeans as portugues traders come to the country and arrange a first trading agreement
1511 AD
Battle against Burma, in which the wife of the reigning Thai king Chakrapat, Suryothai, is killed by the frontline commander of the Burmese king Tabinshweti, Phra Jao Prae Tado Thammaraja, before the gates of Ayuthaya
1548 AD
Ayuthaya kingdom is overrun by the Burmese
1569 AD
Reign of the Sukhothai dynasty
1569 - 1629 AD
Phra Naresuan returns from Burma to Thailand and declares independence
1584 AD
King Naresuan the Great ascends to the throne
1590 AD
Trading agreement with the Dutch which gives them a priviliged position in the rice trade
1592 AD
Reign of the Prasat Thong dynasty
1630 - 1688 AD
The town of Chiang Mai declares independence from the Brumese
1630 AD
Dutch are temporarily declared persona non grata after Holland had threatened Ayuthaya with war.
1639 AD
King Narai the Great succeeds the throne
1656 AD
Constantin Phaulcon arrives in Siam to become the first foreigner being advisor to a Thai king
1678 AD
The first Catholic delegation, Jesuits from the order of Loyola, establishes itself in Siam
1685 AD
Reign of the Ban Phlu Luang dynasty
1688 - 1767 AD
Chiang Mai is taken back by the Burmese
1764 AD
Ayuthaya fells to the Burmese
8th April 1767

Period Three - Thonburi/Rattanakosin/Bangkok

It did not take Thailand a long time to be liberated after the fall of Ayuthaya. The next king, Thaksin the Great, found a new capital at Thonburi which was later moved to nowadays Bangkok.

 
King Thaksin the Great liberates Thailand, unites it for the first time and establishes a new capital at Thonburi
1767 AD
King Thaksin the Great builds Phra Racha Wang Derm
1768 AD
King Thaksin subdues Cambodia
1771 AD
King Thaksin takes chiang Mai and finally permanently unites Thailand and Lanna
1776 AD
The Emerald Buddha is brought to Thonburi after Vientiane was taken by the Thais
1779 AD
Death of king thaksin the Great
1782 AD
Reign of King Rama I
1782 - 1809 AD
King Rama I invades Luang Prabang and makes most of Laos a part of Thailand
1792 AD
Reign of King Rama II. Phuttaloetta Naphalai
1809 - 1824 AD
A British Indian mission demands from Siam to open up for more free trade
1821 AD
Reign of King Rama III, Nangklao
1824 - 1851 AD
Thailand signs the first trade treaty with a European power, the British
1826 AD
Siam succeeds in a war with Vietnam over the rule over Cambodia
1842 - 1845 AD
King Rama II declines a demand of British and Ameriucan missions to lift all restrictions on trade, a western style government and immunity from their citizen from Siamese law
1850 AD
Reign of King Rama IV, Mongkut
1851 - 1868 AD
The Bowring agreement between Britain and Siam is signed
1855 AD
Reign of King Rama V, Chulalongkorn
1868 - 1910 AD
After a visit of his foreign minister, Prince Devrawongse, King Rama V decides to establish a Cabinet government, an audit office and am education department
1887 AD
The French take over the regions east of the Mrkong after the British failed in their protection of Siam and Siam loses further the regions of the north-east of Burma, the Shan speaking regions, to the British
1893 AD
The French take over regions on the western bank of the Mekong, western Cambodia, southern Laos
1906 - 1907 AD
The British demand large parts of Burma as a compensation for protection of Siam against the French
1909 AD
Reign of King Rama VI, Vajiravudh
1910 - 1925 AD
Chulalongkorn University is found
1916 AD
Siam declares war on Germany and joines the allied faction of World War I
1917 AD
The United States grant Siam full rights in their trade regulations back
1920 AD
Britain and France take back their regulations on trade restrictions for Siam and Siam gets finally full sovereignty in their trade back
1925 AD
Reign of King Rama VII, Prajadhipok
1925 - 1935 AD
A coup d'etat causes the end of the bsolute monarchy in Siam
June 24, 1932 AD
Prince Bovoradej attempts a revolution against the new constitutional government but is defeated and leaves for Indochina for exile
1933 AD
Thammasat University is found
June 27, 1934 AD
The government forces King Prajadhipok to abduct and chooses Prince Ananda Mahidol as new king
March 2, 1935 AD
Reign of King Rama VIII
1935 - 1946 AD
Elected local and provincial governments are introduced and direct elections held for the National Assembly
1937 AD
The election of Major General Phibun as prime minister causes military domination of the country
1938 AD
Prime minister Phibun, as a fascistic admirer of Mussolini, lets political opponents being executed to manifest his power
1939 AD
Pibun changes the name of the country to Thailand, meaning 'land of the free'
1939 AD
A law is issued that prohibits to ridicule people who promote national customs
1941 AD
Thailand and Vichy France fight for areas around the Mekhong River and Thailand wins some areas of Laos and Cambodia back
1941 AD
The United States cut of their petroleum supply for Thailand reacting on Phibun's ambitions to promote himself as the true national leader
April 1941 AD
Japan invades the south of the country
December 8, 1941 AD
Phibun decides for a military alliance with the Japanese
1942 AD
Thailand declares war with the United States and Britain but the declaration against the USA is considered illegal by the ambassador in Washington and so never officially delivered
January 1942
Allied air forces raid Bangkok several time with bombing strikes
1944 AD
Seni Pramoj, the previous thai ambassador in Washington, becomes prime minister of Thailand after the war
1945 AD
Pridi becomes first really elected prime minister of the county
1946 AD

Reign of King Rama IX, Bhumiphol Adulyadey

1946 - present
Pridi agrees to hand back the French territories taken in the war and in exchange for admission to the United Nations, dropping of all wartime claims against Thaland and a package of American aid.
1947 AD
The army makes it possible that Phibun returns as prime minister
April 1948 AD
Phibun lets again execute political opponents
1949 AD
Opponents of Phibun try counter coup attempts but are not successful all three times
1948 - 1951 AD
The foundation of the SEATO (South East Asian Trade Organization) makes Thailand an ally of the US
1954 AD
A bloodless coup d'etat finishes Phibun's regime and Thanom become temporarily prime minister until 1958 AD
September 17, 1957 AD
Sarit as prime minister
1958 - 1963 AD
Sarit suspends the current constitution  
Thailand starts to support US interests in Indochina and allows US airbases on its soil
1961 AD
Thanom becomes prime minsiter for a scond time
1963 AD
Thailand reaches a population of 30 million
1965 AD
Thailand finally arranges a new constitution
1968 AD
First student demonstrations against the government
1968 AD
Ramkhamhaeng University students are expelled after criticising the government
June 1973 AD
Students are asrrested on charges of conspiracy to overthrow the government
October 1973 AD
Student demonstrations end in the police shooting at the demonstrants to remain order, King Bhumiphol in this situation saves a lot of students' lives as he opens Chitlada Palace gates and provides shelter
October 14, 1973 AD
Thanin becomes prime minister after a military coup d'etat
October 6, 1976 AD
Krianfsak becomes prime minister after a military coup d'etat
October 1977 AD
Deng Xiaoping declares to end all chinese support for Thai communists
1979 AD
Prem becomes prime minister
1980 AD
Seperatists, calling themselves Young Turks, temporarily succeed in a coup d'etat but Prem regains quickly his position
April 1981 AD
Prem's power manifests with broad support from the population after free elections for the national Assembly
April 1983 AD
Chatichai becomes prime minister after free elections
1988 AD
Typhoon Gay causes heavy damage in mainly Chumphon and Ranong province
November 1989 AD
Generals Suchinda and Sunthorn and other generals of the Chulachomklao Royal Military Academy stage a coup against the corrupt government
February 1991 AD
Lauda Air Flight 004 crashes over Uthai thani Province
May 26, 1991 AD
Anand becomes prime minister established by the military
1991 AD
Suchinda becomes prime minister after free elections
March 1992 AD
Mass demonstrations against Suchinda, led by Chamlong which are ended by the King calling Chamlong and Suchinda to a broadcasted speech and Suchinda's resignation
May 1992 AD
Anand becomes interim prime minister
May 1992 AD
Chuan becomes prime minister after free elections
September 1992 AD
Banharn becomes prime minister
1995 AD
Banharn has to call in early elections after corruption charges and Chavalit becomes free elected prime minister
1996 AD
Chavalit is co-responsible that the Asian Financial Crisis affects also Thailand
June 1997 AD
Chavalit resigns and Chuan returns to power
November 1997 AD
Thaksin becomes elected prime minister
2001 AD
Conflict with Cambodia in which the Thai embassy in Pnom Penh is burned down after a Thai actress had declared Ankor Wat was stole from Thailand
January 2003 AD
Controversial 'War against drugs' starts in which more than 2,000 people are killed, inofficial numbers reach 10,000 victims
February 2003 AD
Muslim revolts in the South start
January 2004 AD
Thailand is shaken by the Tsunami
December 26, 2004 AD
Thaksin becomes re-elected prime minister
February 2005 AD
Start of ralleys against Thaksin as he is accused of corruption and immorality
December 2005 AD

Thaksin is accused by broad masses of the population of having not declared taxes for a 73,000 million baht deal

January 2006 AD
The whole country is celebrating the 60th anniversary of HRM throne acession
May 9, 2006 AD

Bloodless coup d'etat against the Thaksin government, supported by broad masses of the population

 

 

September 19, 2006 AD