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Trịnh–Nguyễn Division of Vietnam

Type Event Region Southeast Asia Time 1640–1649

In the 1640s the Later Lê dynasty existed in name only, as the northern Trịnh lords and southern Nguyễn lords divided Vietnam along the Gianh River–Q…

Timeline

  1. 1640–1649Gianh River · Central VietnamSince the Trịnh–Nguyễn conflict of the late 16th century, the Gianh River–Quảng Nam line had served as the north–south boundary; in the 1640s the two sides still maintained a military standoff, with the Later Lê emperor as merely a nominal overlord.
  2. 1640–1649Thăng Long (Hanoi) · Northern VietnamThe Trịnh lords controlled the north around Thăng Long, while the Nguyễn lords held Quảng Nam in the south; each appointed officials, collected taxes, and raised troops, forming two de facto states side by side.
  3. 1640–1649Hoi An · Quảng NamThe Nguyễn lords expanded southward and developed ports such as Hoi An, trading with Dutch and Japanese merchants, while the northern Trịnh lords faced greater border pressure from the Ming and later Qing, causing north and south development paths to diverge increasingly.

Sources