A powerful Vietnamese army invaded the Lao lands, sacking the capital city of Luang Phrabāng ("Vietnam, Trials and Tribulations of a Nation" D. R. SarDesai, pg 35,1988).
A powerful Vietnamese army invaded the Lao lands, sacking the capital city of Luang Phrabāng. From this point on, Lan Xang paid tribute to Dai Viet Imperial court ("Vietnam, Trials and Tribulations of a Nation" D. R. SarDesai, pg 35,1988).