Responding to popular demand, in 1010 the commander of the palace guard Lý Công Uẩn seized the throne and founded the Lý Dynasty, the first long-lived imperial dynasty of Vietnam.
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Remembering the success of Ngô Quyền who, half a century earlier, had defeated the Chinese navy as it attempted to invade Đại Việt by way of the Bạch Đằng River, he copied Quyen's strategy of booby-trapping the river with long sharpened stakes that were out of sight beneath the surface of the water at high tide.
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When he died in 1005, the Lê Dynasty went into decline; five years later, in 1010, Lý Công Uẩn declared the Lý Dynasty and moved the capital from Hoa Lư to the area of modern Hanoi.
Turtle Tower (''Tháp Rùa'') on Hoàn Kiếm Lake, the natural habitat of the turtle in central Hanoi | Hoàn Kiếm Lake | Hoan Kiem Lake | Hoàn Kiếm District | Hoan Bridge |