- Mircea I of Wallachia
and Polish king
Władysław II Jagiełło
sign their first treaty, to protect their countries against Ottoman expansion.
- Goryeo
Revolution in Korea (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
.
- With the backing of
Antipope John XXIII
, supporters of
Louis II
overthrow the underage King
Ladislaus
as
King of Naples
. The new
Pope Boniface IX
recognises Ladislaus's claim to the throne.
- Wikramawardhana
succeeds
Hayam Wuruk
, as ruler of the
Majapahit Empire
.
- The unpopular Sultan
Tughluq Khan
of
Delhi
is murdered and succeeded by his brother,
Abu Bakr Shah
.
- 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
.
- Sandaki
overthrows
Magha II
, as
Mansa
of the
Mali Empire
.
- Abd ar-Rahman II succeeds Musa II as ruler of the
Ziyanid
Dynasty, in present-day western
Algeria
.
- Abu Tashufin II succeeds his nephew,
Abu Hammu II
, as ruler of the
Abdalwadid
Dynasty in present-day eastern
Algeria
.
- Carmo Convent
is built in
Lisbon
,
Portugal
.