Sino-Vietnamese conflicts (1979–1991)

The Sino-Vietnamese conflicts of 1979–1991 were a series of border and naval clashes between the People's Republic of China and the Socialist Republic of Vietnam following the Sino-Vietnamese War in 1979. These clashes lasted from the end of the Sino-Vietnamese War until the normalization of ties in 1991.

Source: Wikipedia — Sino-Vietnamese conflicts (1979–1991) (CC BY-SA 4.0)