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
- May 11 – Emperor Frederick I (Barbarossa) sets out from Regensburg, at the head of a German expeditionary force (some 15,000 men, including 4,000 knights). He has ensured that his lands are safe while he is away on crusade and leaves his son Henry VI in charge of the country. After leaving Germany, Frederick's army is increased by a contingent of 2,000 men led by Prince Géza, younger brother of King Béla III of Hungary. On July 27, he arrives at Niš and is welcomed by Stefan Nemanja, Grand Prince of Serbia. In order to ease his passage, Frederick makes diplomatic contacts with Hungary, the Byzantine Empire and the Seljuk Sultanate of Rum.
- July 6 – King Henry II dies at Chinon, near Tours, after doing homage to Philip II (Augustus), and surrendering the territories around Issoudun in the Centre-Val de Loire. He ends the hostilities against Philip, by agreeing to the peace terms and pays him 20,000 marks in tribute. Henry is succeeded by his son, Richard I (the Lionheart), as ruler of England.
- August – Emperor Isaac II (Angelos) denies any crusader access and begins to hinder the German forces, who try to cross the Byzantine frontier. Frederick I progressed with force, by capturing Philippopolis and defeats a Byzantine army (some 3,000 men) that attempts to recapture the city. The Germans are delayed for six months in Thrace.
- King Sancho I (the Populator) turns his attention towards the Moorish small kingdoms (called taifas) and begins a campaign in southern Portugal. With the help of crusader forces he conquers (during the Reconquista) the town of Silves. He orders the fortification of the city and builds a castle. Sancho styles himself "King of Silves".
- November 11 – King William II (the Good) makes peace with Isaac II, he abandons Thessalonika and other conquests, and dies childless at Palermo. The Sicilian nobles elect Tancred of Lecce (illegitimate son of Roger II) as the new ruler of Sicily, instead of Princess Constance and her husband Henry VI, to avoid German rule.
- Frederick I grants Hamburg the status of an free imperial city and tax-free access (or free-trade zone) up the Lower Elbe into the North Sea. He also grants the right to fish, to cut trees and the freedom of military service.
- September 3 – Richard I is crowned king of England in Westminster Abbey. During the coronation, a number of notable Jews are expelled from the banquet and rumours spread that Richard has ordered a massacre of the Jews. This causes anti-Jewish violence in London and York, among those killed is Jacob of Orléans, a respected French Jewish scholar.
- William Marshal marries the 17-year-old Isabel de Clare (daughter of Richard de Clare). He becomes through his marriage to Isabel 1st Earl of Pembroke, acquiring huge estates in England, Normandy, Wales and Ireland.
- December 5 – King William I (the Lion) of Scotland gives Richard I 10,000 marks to buy his kingdom's independence. This overturns the Treaty of Falaise which William had to sign when he was captured (see 1174).
- December – Richard I sets sail with a crusader army from Dover Castle to France. To ensure he has the allegiance of his brother John, Richard approves of his marriage to their cousin Isabella of Gloucester.
- Winter – John awards land to Bertram de Verdun, a Norman nobleman, and grants Dundalk its charter with town privileges, which becomes a strategic Anglo-Norman stronghold in Ireland.
- May – Saladin has reconquered the Crusader Kingdom of Jerusalem except for Tyre. The castles of Montréal and Kerak are captured by Muslim forces. In the north, Saladin has regained the Principality of Antioch except for Antioch and the castle of Al-Qusayr in Syria.
- August 28 – Siege of Acre: King Guy of Lusignan moves from Tyre, where Conrad of Montferrat refuses to hand over the city. Guy and his crusader army (some 7,000 men, including 400 knights) besiege Acre. He makes camp outside, to wait for more reinforcements.
- September – Guy of Lusignan receives reinforcements of some 12,000 men from Denmark, Germany, England, France, and Flanders. He encircles Acre with a double line of fortified positions. On September 15, Saladin launches a failed attack on Guy's camp.
- October 4 – Guy of Lusignan leads the crusader forces to launch a full-on assault on Saladin's camp. With heavy casualties on both sides, neither force gains the upperhand. On October 26, Saladin moves his camp from Acre to Mount Carmel (modern Israel).
- October 30 – An Egyptian fleet (some 50 ships) breaks through the crusader blockade at Acre and reinforced the port-city with some 10,000 men, as well as food and weapons.
- December – An Egyptian fleet reopens communications with Acre. The rest of the winter passed without major incidents, but the supply situation is poor in the besieged city.
- February 18 – Emperor Xiao Zong abdicates in favour of his son, Guang Zong, as ruler of the Song Dynasty. Xiao Zong becomes a Taishang Huang ("Retired Emperor") and remains as the de facto ruler of China.
- Al-Mansur Nasir al-Din Muhammad, Ayyubid sultan (d. 1217)
- Archambaud VIII (the Great), French nobleman (d. 1242)
- Ferdinand of Castile, Spanish prince (infante) (d. 1211)
- Pietro Pettinaio, Italian comb-maker and saint (d. 1289)
- Peter Nolasco, French religious leader (d. 1256)
- Skule Bårdsson, Norwegian nobleman (d. 1240)
- Sukaphaa, founder of the Ahom Kingdom (d. 1268)
- Yuri II of Vladimir, Kievan Grand Prince (d. 1238)
- January 1 – Henry of Marcy, French cardinal-bishop (b. 1136)
- January 20 – Shi Zong (or Wulu), Chinese emperor (b. 1123)
- February 4 – Gilbert of Sempringham, English priest (b. 1085)
- March 4 – Humbert III (the Blessed), count of Savoy (b. 1136)
- March 25 – Frederick, duke of Bohemia (House of Přemyslid)
- June 15 – Minamoto no Yoshitsune, Japanese general (b. 1159)
- June 28 – Matilda of England, duchess of Saxony (b. 1156)
- July 6 – Henry II (Curtmantle), king of England (b. 1133)
- July 20 – Muneko, Japanese princess and empress (b. 1126)
- September 3 – Jacob of Orléans, French Jewish scholar
- October 4
- October 14 – Fujiwara no Yasuhira, Japanese nobleman (b. 1155)
- November 11 – William II (the Good), king of Sicily (b. 1153)
- November 14 – William de Mandeville, English nobleman
- Anvari, Persian astronomer, poet and writer (b. 1126)
- Benedict of York, English banker and moneylender
- Benkei, Japanese warrior monk (sōhei) (b. 1155)
- Conchobar Maenmaige Ua Conchobair, Irish king
- Conon II (or Cono), count of Montaigu and Duras
- Elizabeth of Hungary, German duchess (b. 1145)
- Folmar of Karden, German archbishop (b. 1135)
- Geoffrey Ridel, English bishop and Lord Chancellor
- Hugh de Cressy, Norman nobleman and constable
- Hugh de Paduinan, Scoto-Norman nobleman (b. 1140)
- Richard de Morville, Scottish Lord High Constable
- Romano Bobone, Italian cardinal and papal legate
- William de Tracy, English nobleman and knight
- Freed, John (2016). Frederick Barbarossa: The Prince and the Myth, pp. 491–492. New Haven, CT: Yale University Press. ISBN 978-0-300-122763.
- King John by Warren. Published by University of California Press in 1961. p. 38
- Treadgold, Warren (1997). A History of the Byzantine State and Society, p. 658. Stanford, California: Stanford University Press. ISBN 0-8047-2630-2.
- Charles Wendell David, ed. Narratio de Itinere Navali Peregrinorum Hierosolymam Tendentium et Silviam Capientium, A.D. 1189. In Proceedings of the American Philosophical Society, p. 81. (Dec., 1939): 591–676.
- Steven Runciman (1990). A History of The Crusades. Vol II: The Kingdom of Jerusalem and the Frankish East 1100–1187, p. 403. Penguin Books.
- Verg, Erich; Verg, Martin (2007), Das Abenteuer das Hamburg heißt (in German) (4th ed.), Hamburg: Ellert&Richter, ISBN 978-3-8319-0137-1
- Warren, W. Lewis (1961). King John, pp. 39–40. London: Methuen. ISBN 0-413-45520-3.
- Gosling, Paul (1991). From Dún Delca to Dundalk: The Topography and Archaeology of a Medieval Frontier Town A.D. c. 1187–1700., p. 237. Journal of the County Louth Archaeological and Historical Society.
- David Nicolle (2011). Osprey: Command 12 – Saladin, p. 37. ISBN 978-1-84908-317-1.
- David Nicolle (2011). Osprey: Command 12 – Saladin, p. 40. ISBN 978-1-84908-317-1.
- Cartwright, Mark (2018). The Siege of Acre, 1189–91 CE. Ancient History Encyclopedia. Retrieved from https://www.worldhistory.org/article/1263/
- David Nicolle (2011). Osprey: Command 12 – Saladin, p. 38. ISBN 978-1-84908-317-1.
- Xiong, Victor Cunrui; Hammond, Kenneth J. (2018). Routledge Handbook of Imperial Chinese History, p. 302. ISBN 978-1317-53-822-6.