The world in 1186 AD — what happened that year

8 events the sources record for this year, grouped by region.

What happened

The Yellow River burst its banks and Weizhou collapsed. (History of Jin (Jinshi), Annals 金史卷008 世宗大定二十六年8月)
Wudigai rebelled and fled; punitive forces were sent, and armored troops were added to destroy the boats and rafts. (History of Jin (Jinshi), Annals 金史卷008 世宗大定二十六年9月)

The Greek emperor Alexios (Alexios Manuylovich) comes to Novgorod. (Novgorod First Chronicle litopys 기사 1186년)

Manco Cápac and his queen named the valley of Cuzco (then the whole valley was rough forest) (Inca Garcilaso, Royal Commentaries of the Incas Libro I cap. XV (vol.1, l.3848))
Assigned work to the gathered people to build huts and houses, the beginning of the city of Cuzco (Inca Garcilaso, Royal Commentaries of the Incas Libro I cap. XVI (vol.1, l.3923))
Manco Cápac subjugates 8 leagues to the west, up to the Apurímac River (Inca Garcilaso, Royal Commentaries of the Incas Libro I cap. XVII (vol.1, l.4027))
Has 13 villages founded on both sides of the Antisuyu royal road east of Cuzco (Inca Garcilaso, Royal Commentaries of the Incas Libro I cap. XX (vol.1, l.4376))
Manco Cápac dies; his eldest son Sinchi Roca succeeds (Inca Garcilaso, Royal Commentaries of the Incas Libro I cap. XXV (vol.1, l.4893))