From early 1427 Lê Sát, Trần Nguyên Hãn and others besieged the Ming earthen citadel of Xương Giang, which commanded the road from Lạng Sơn to Đông Quan, and stormed it on 28 September, just before Liu Sheng's relief army arrived.
Siege
Siege of Xương Giang
- 1427 – 1427
- Southeast Asia