Goryeo Revolution 1388-1392: King Chang of Goryeo is forced from power and replaced by King Gongyang. The ten year-old Chang and his predecessor, U, are both assassinated later in the year.
Hadji II is restored as Mamluk Sultan of Egypt after overthrowing Sultan Barquq.
Biri II succeeds Kade Alunu as King of the Kanem-Bornu Empire (now eastern Chad and Nigeria) and the Empire loses its land in present-day Chad to the Bilala.