The Trịnh–Nguyễn War lasted from 1627 till 1672. The Trịnh army staged not less than seven offensives, all of which failed to capture Phú Xuân. For a time, commencing in 1651, the Nguyễn themselves went over the offensive and attacked portions of Trịnh territory. Tribal Viets inhabiting the Pink River https://arthurxirzg.boyblogguide.com/30292092/little-known-facts-about-việt-nam