399 CE —Longbian came under siege from Champa army led by king Bhadravarman I. He had killed two Chinese governors, Gun Yuan and Cao Ping, while inciting locals to revolt against the Chinese. The siege was relieved later by Chinese reinforcement under the command of Jiaozhou governor Du Yian.
2000 — President of the United States, Bill Clinton, made historic visit to Vietnam in November 2000. He was the first U.S. leader ever to officially visit Hanoi.
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