Trịnh Căn and Lê Thì Hiến nearly broke the Trấn Ninh rampart several times, but Nguyễn Hữu Dật held; the Trịnh withdrew and the Gianh river became the lasting border between Đàng Ngoài and Đàng Trong for a hundred years.
Battle
Last Trịnh–Nguyễn campaign of the 17th century
- 1672
- Southeast Asia
Meanwhile, elsewhere
- 14th century – 17th centuryRenaissanceEurope
- 17th century – 19th centuryAge of EnlightenmentEurope
- 1618 – 1648Thirty Years' WarEurope
- 1517 – 1648Protestant Reformation
- 27 July 1694pound sterlingEurope
- 2 September 1666Great Fire of LondonEurope
- 1692 – 1693Salem Witch TrialsNorth America
- 12 September 1683Battle of ViennaEurope