Thailand lost land the sixth to China when May 1 0 90 areas, 2393. Sq. km. In the reign of 4 as a territory in South Yunnan of China. City of Jinghong city The capital of the Thai King Rama was 1 to usurp the throne again. Blue saenwi Maha Viceroy fled down the King's grace was the reliance on the reign of Chiang Mai, Lampang, lamphun, 3 military criteria were to hit the city of Chiang Rai (Chiang Rai to provide a hit before it was Chiang rung), but was not successful because it does not come in at 4. reign of the capital Department of the lawasa surface works (ancestor of close family.) Army to hit 2 times as Chiang Rai but failed to lose, China.