With the capital empty after Trịnh Xuân's revolt, Mạc Kính Khoan camped at Thổ Khối and Châu Cầu in Gia Lâm and many officials joined him; Trịnh Tráng came back north in the 8th month and drove him to Cao Bằng.
Battle
Mạc Kính Khoan advances to Gia Lâm
- 1623
- Southeast Asia
Meanwhile, elsewhere
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