 When Narathihapate refused both times, the Mongols under Kublai Khan systematically invaded the country.The first invasion in 1277 defeated the Burmese at the battle of Ngasaunggyan, and secured their hold of Kanngai (modern-day Yingjiang, Yunnan, north of Bhamo).In 1283–85, their forces moved south and occupied down to Hanlin.