The Trịnh–Nguyễn War lasted from 1627 until eventually 1672. The Trịnh Military staged at least 7 offensives, all of which did not seize Phú Xuân. For any time, beginning in 1651, the Nguyễn them selves went within the offensive and attacked portions of Trịnh territory.Its financial reforms because the beginning of Đổi Mới in 198