Year 1189 (MCLXXXIX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. In English law, 1189 - specifically the beginning of the reign of Richard I - is considered the end of time immemorial.
|Ab urbe condita||1942|
|Balinese saka calendar||1110–1111|
|English Regnal year||35 Hen. 2 – 1 Ric. 1|
|Chinese calendar||戊申年 (Earth Monkey)|
3885 or 3825
— to —
己酉年 (Earth Rooster)
3886 or 3826
|- Vikram Samvat||1245–1246|
|- Shaka Samvat||1110–1111|
|- Kali Yuga||4289–4290|
|Japanese calendar||Bunji 5|
|Minguo calendar||723 before ROC|
|Seleucid era||1500/1501 AG|
|Thai solar calendar||1731–1732|
1315 or 934 or 162
— to —
1316 or 935 or 163
|Wikimedia Commons has media related to 1189.|
- February 18 – Emperor Xiaozong abdicates to Emperor Guangzong.
- The siege of Acre begins.
- The Crusader castles of Montreal and Kerak are captured by Saladin.
- January 21 – Philip II of France and Henry II of England begin assembling troops, to wage the Third Crusade.
- July 27 – Friedrich Barbarossa arrives at Niš, the capital of Serbian King Stefan Nemanja, during the Third Crusade.
- August 29 – Ban Kulin writes The Charter of Kulin, which becomes a symbolic "birth certificate" of Bosnian language and statehood.
- Henry II of England ends a war against Philip II of France & Richard, by agreeing to their terms: he pays Philip 20,000 marks, and recognizes Richard as the heir to the English throne. Henry is brokenhearted to find that his second heir, John, had also allied against him in the war. He dies within a few months.
- September 3 – Richard I is crowned as King of England. He immediately begins selling castles, lordships, privileges, and towns to fund his long-anticipated crusade against Saladin.
- The town of Dundalk, Ireland gains its charter.
- Sancho I of Portugal conquers Silves and Alvor, with the help of the troops of the Third Crusade.
- Henry Fitz Ailwyn is elected Mayor of the City of London (inside of London, England).
- Sicilian nobles elect bastard Tancred, Count of Lecce their new king, instead of the designated heiress Princess Constance and her husband Prince Henry of the Holy Roman Empire, to avoid German rule.
- January 1 – Henry of Marcy, French Cistercian abbot (b. c. 1136)
- January 20 – Emperor Shizong of Jin (b. 1123)
- March 25 – Frederick, Duke of Bohemia
- June 15 – Minamoto no Yoshitsune, Japanese general (b. 1159)
- June 28 – Matilda of England, Duchess of Saxony (b. 1156)
- July 6 – King Henry II of England (b. 1133)
- August 20 or August 21 – Geoffrey Ridel, Lord Chancellor of England
- September 3 – Jacob of Orléans, French Jewish scholar
- October 4 – Gerard de Ridefort, Grand Master of the Knights Templar
- November 11 – King William II of Sicily ("the Good") (b. 1153)
- November 14 – William de Mandeville, 3rd Earl of Essex
- Anvari, Persian poet (b. 1126)
- Conchobar Maenmaige Ua Conchobair, King of Connacht
- Folmar, Archbishop of Trier (b. c. 1135)
- Richard de Morville, Constable of Scotland
- Saito Musashibo Benkei, Japanese fighting monk (b. 1155)
- King John by Warren. Published by University of California Press in 1961. p. 38
- Picard C. (1997) La mer et les musulmans d'Occident au Moyen Age. Paris: Presses Universitaires de France, pp.73