The Kingdom of Champasak (Lao: ຈຳປາສັກ [càmpàːsák]) or Bassac, (1713–1904) was a Lao kingdom under Nokasad, a grandson of King Sourigna Vongsa, the last king of Lan Xang ; and son-in-law of the Cambodian King Chey Chettha IV. Bassac and the neighboring principalities of Attapeu and Stung Treng emerged as power centers under what was later to be described as the Mandala Southeast Asian political model. In 1777, King Taksin of Siam sent an invading army to the Kingdom of Vientiane. The Thai army also attack Champasak, the kingdom was occupied without major resistance. King Pothi (Sayakumane) was taken prisoner to Krung Thep (Bangkok). In 1780, King Sayakumane was allowed to return to Champasak as vassal of the Siamese king. At the beginning  the 19th century, and ignoring the worldwide agricultural disaster accompanying the 1816 Year Without a Summer, Bassac was said to be on a prosperous trade route as the outlet for cardamon, rubber, wax, resin, skins, horns, and slaves from the east bank to Ubon, Khorat, and Bangkok. The region then fell victim to Siamese and French struggles to extend suzerainty. The Phra Phuttha Butsayarat or Phra Luk Buddha, palladium of the Kingdom of Champasak, Laos. The Phra Butsayarat was brought to the Kingdom of Lan Xang by King Setthathirath from the Kingdom of Lan Na in the 16th century, with several other significant statutes. In the 19th century  the image was taken by the Kingdom of Siam to Bangkok. It currently resides in the Phra Buddha Rattanasathan (พระพุทธรัตนสถาน) ordination hall at the Grand Palace in Bangkok.
The Kingdom of Champasak (Lao: ຈຳປາສັກ [càmpàːsák]) or Bassac, (1713–1904) was a Lao kingdom under Nokasad, a grandson of King Sourigna Vongsa, the last king of Lan Xang and son-in-law of the Cambodian King Chey Chettha IV. Bassac and the neighboring principalities of Attapeu and Stung Treng emerged as power centers under what was later to be described as the Mandala Southeast Asian political model. In 1777, King Taksin of Siam sent an invading army to the Kingdom of Vientiane. The Thai army also attacked Champasak, and the kingdom was occupied without major resistance. King Pothi (Sayakumane) was taken prisoner to Krung Thep (Bangkok). In 1780, King Sayakumane was allowed to return to Champasak as vassal of the Siamese king. At the beginning of the 19th century, and ignoring the worldwide agricultural disaster accompanying the 1816 Year Without a Summer, Bassac was said to be on a prosperous trade route as the outlet for cardamon, rubber, wax, resin, skins, horns, and slaves from the east bank to Ubon, Khorat, and Bangkok. The region then fell victim to Siamese and French struggles to extend suzerainty. The Phra Phuttha Butsayarat or Phra Luk Buddha, palladium of the Kingdom of Champasak, Laos. The Phra Butsayarat was brought to the Kingdom of Lan Xang by King Setthathirath from the Kingdom of Lan Na in the 16th century, with several other significant statutes. In the 19th century , the image was taken by the Kingdom of Siam to Bangkok. It currently resides in the Phra Buddha Rattanasathan (พระพุทธรัตนสถาน) ordination hall at the Grand Palace in Bangkok.
D
;
R
attack Champasak,
attacked Champasak, and
A
of
A
,