The first leader of this dynasty, Dương Đình Nghệ, was respected and well-liked. His reign was short, however, as a regional warlord named Kiều Công Tiễn assassinated him. This led to a fierce battle in the area where the Vietnam natives fought Kiều Công Tiễn who was backed by the Chinese. Suprisingly, the natives won and reclaimed their land due to a genius tactic where they filled the Bạch Đằng River with poles. At high tide, boats could pass but infantry were stuck on the opposite side of the river. when the tide lowered, and ships still in the river were impaled and sunk.