THAILAND AND BANGKOK'S HISTORY
Around 5,000 years ago archaeological sites in the northeastern part of Thailand were found, believed to contain the oldest evidence of the rice cultivation and bronze casting in the whole of Asia. There were tribal groups called the mon and khmer that created strong kingdoms that stretched a lot of Thailand. Thai people originally lived and migrated from china to the mainland of Southeast Asia over hundreds of years. The hearing of their existence in the region is twelfth century A.D. an inscription found at the khmer temple in Cambodia, which referred to Siam. In 1238 the Thais declared independence from the khmer kingdom and established a kingdom at Sukhothai, which was located in a valley mae nam chao phraya river. The Sukhothai was taken over in fourteenth century by the kingdom of Ayutthaya. In 1767 the Burmese tried invading the kingdom of Ayutthaya and destroyed the capital city, but two national heroes Taskin and Chakkri banished the invaders and reunified the country under Chakkri Dynasty.
During the centuries of this evolving nation the Thai national identity was developed around its common language, religion and institution of the monarchy. Early in the 14th century the Thai language alphabet was formed through the Indian and Khmer scripts. Later on in the century Theravada Buddhism become the official religion of the kingdom by a famous monarch Ramathibodi, still this religion has maintained it self as the official religion through to the twentieth century as a head figure in the nation's cultural and social life.
In 1782 Rama I become king of Thailand, and he moved the capital city from Thonburi across the Chao Phraya River to Bangkok. In 1809 Rama II the son of King Rama I took over the throne and ruled until 1824. Where Rama III become the new king and started to develop trade with china and increase the countries domestic agricultural production. King Mongkut Rama IV then took the throne in 1851 he constituted diplomatic relations with European nations yet refraining western colonisation. Between 1910 to 1925 King Vajiravudha ( Rama VI ) initiated compulsory education and other reforms to advance the knowledge of its people.
After the Ayutthaya period changed to the Ratanakosin period and the ruler became Rama IX. This was when the name of the country changed its name from Siam to Thailand which means "freedom".