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|1186 in topic|
|Political entities - State leaders - Religious leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1186 in poetry|
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- January 27 – Constance of Sicily marries Henry (the future Henry VI, Holy Roman Emperor).
- John the Chanter becomes Bishop of Exeter.
- The Byzantine Empire recognizes the independence of Bulgaria and Serbia.
- Joscius becomes Archbishop of Tyre.
- Jayavarman VII, the king of Cambodia, founds the temple of Ta Prohm.
- After the death of the child-king Baldwin V, his mother succeeds him as Sibylla of Jerusalem, and appoints her disfavoured husband Guy de Lusignan king consort. This comes as a shock to Jerusalem's court, who had earlier forced the possible future Queen into promising that should she become so, she would not appoint him the title.
- May 18 – Konstantin of Rostov, Prince of Novgorod (d. 1218)
- date unknown
- January 26 – Ismat ad-Din Khatun, wife of Saladin
- May 29 or June 23 or June 24 – Robert of Torigni
- June 1 – Minamoto no Yukiie, Japanese warlord
- August 19 – Geoffrey II, Duke of Brittany (b. 1158)
- August – Baldwin V of Jerusalem (b. 1177)
- September 29 – William of Tyre, Archbishop of Tyre (b. c. 1130)
- December 8 – Berthold IV, Duke of Zähringen (b.c 1125)