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|1183 by topic|
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|Births – Deaths|
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|1183 in poetry|
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- June 25 – The Peace of Constance is signed, between Frederick Barbarossa and the Lombard League.
- Three-year-old Emperor Go-Toba ascends to the throne of Japan, after the forced abdication of his brother Emperor Antoku, during the Genpei War.
- August 14 – Taira no Munemori and the Taira clan take the young Emperor Antoku and the three sacred treasures, and flee to western Japan to escape pursuit by the Minamoto clan (traditional Japanese date: Twenty-fifth Day of the Seventh Month of the Second Year of Juei).
- William of Tyre is excommunicated by the newly appointed Heraclius of Jerusalem, firmly ending their struggle for power.
- Andronicus I Comnenus becomes Byzantine Emperor.
- Joseph of Exeter writes the first account of a sport resembling cricket.
- The Siege of Kerak is waged between the Ayyubids and the Crusaders, in which regent Guy of Lusignan refuses to fight.
- Saladin conquers Syria and becomes sultan.
- Chagatai Khan, Second son of Genghis Khan, Khan of the Chagatai Khanate (d. 1241 or 1242)
- Philippa of Armenia, empress consort of Nicaea
- June 11 – Henry the Young King, son of Henry II of England (b. 1155)
- July – Maria Comnena (Porphyrogenita), Byzantine princess (poisoned) (b. 1149)
- October – Alexius II Comnenus, Byzantine Emperor (b. 1167)
- November 23 – William Fitz Robert, 2nd Earl of Gloucester (b. 1116)
- Renier of Montferrat (the Caesar John), Italian husband of Maria Comnena (poisoned) (b. 1162)
- Queen Gongye, Korean queen consort (b. 1109)