When Nguyễn Phúc Nguyên refused to send taxes, Trịnh Tráng marched south with a large army whose two columns joined at the Nhật Lệ estuary; Portuguese-type cannon held the Nguyễn line, and a rumour of revolt in the north made him withdraw.
Battle
First Trịnh–Nguyễn campaign
- 1627
- Southeast Asia
Meanwhile, elsewhere
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