Trịnh Tạc took King Lê Thần Tông south and Trịnh Căn crossed the Gianh, but Nguyễn Hữu Dật's ramparts held for months; out of food, the Trịnh withdrew in the 3rd month of 1662.
Battle
Sixth Trịnh–Nguyễn campaign
- 1661 – 1662
- Southeast Asia
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