While Đông Quan was under siege, Lê Sát and Lê Thụ stormed the Ming citadel of Khâu Ôn in Lạng Sơn, on the road the Ming relief armies would take.
Siege
Capture of the Khâu Ôn citadel
- 9 February 1427
- Southeast Asia
Siege
While Đông Quan was under siege, Lê Sát and Lê Thụ stormed the Ming citadel of Khâu Ôn in Lạng Sơn, on the road the Ming relief armies would take.