the chakris were inaugurated on Aprill 6, 1782 together with the coronation of Rama I or King Buddha Yot Fa Chulalok. he moved the capital across the chao Phaya River from Thonburi to a small village known as Bangkok and raised up new laws to rule the country. under his reign, Thailand covered all areas of present day Laos and parts of Bruma, Cambodia and Kedah province in Malaysia