Trần Thánh Tông
The Retired Emperor Trần Thánh Tông died on May 25 of lunar calendar, 1290 at the age of 50. As the sole ruler of Đại Việt, Trần Nhân Tông ordered to relax the taxing policy, relieve the poor and postpone the military campaign against Ai Lao so that the country could recover after two fierce wars, several famine and natural disasters.