Kingdom of Dali
In 1253 he followed his father and conquered the Kingdom of Dali. Uriyangkhadai and Aju led 3,000 Mongols and more than 10,000 troops from Dali tribes to invade northern Vietnam 1258. Although capturing Vietnamese capital of Thang Long (now Hanoi), his forces withdrew after his defeat in open battle against the Vietnamese Trần army. This arrangement lasted until the reign of Kublai Khan.