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Imperial Citadel of Thăng Long

Seat of Vietnamese power in Hanoi for eight centuries, founded when Ly Thai To moved his capital here. Excavation beneath the later citadel has exposed continuous occupation layers from the pre-Ly period onward.

Dated events and their evidence

• 1010 CE mainstream
  construction begun under Emperor Lý Thái Tổ source
• 1011 CE mainstream
  first citadel completed source
• 1805 CE mainstream
  rebuilt on a reduced plan under Gia Long source

Where

21.0394° N, 105.8372° E

Sources

• https://en.wikipedia.org/wiki/Imperial_Citadel_of_Th%C4%83ng_Long

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