Trịnh–Nguyễn War
The Trịnh–Nguyễn Civil War (Vietnamese: Trịnh-Nguyễn phân tranh; chữ Hán: 鄭阮紛爭, lit. Trịnh–Nguyễn contention) was a prolonged civil war and conflict during the 17th–18th centuries waged between the two ruling families in Vietnam, the Trịnh lords of Đàng Ngoài and the Nguyễn lords of Đàng Trong, centered in today's Central Vietnam.