1147

Events

* April - Abd al-Mu'min destroys the Almoravid Empire after capturing Marrakech.
*June - Invasion of Wagria by Niklot leads to the Wendish Crusade; the Crusaders force tribute from the Wends, but fail to convert most of the population.
* October 21—October 28 - Siege of Lisbon: King Afonso I of Portugal and the Crusaders capture Lisbon from the Moors.
* The Second Crusade starts.
* October 25 — Battle of Dorylaeum (1147): The Seljuk Turks defeat German crusaders under Conrad III.
* The city of Moscow is first mentioned in written records.
* Dore Abbey is founded.
* Hildegard of Bingen founds the convent of Rupertsberg near Bingen.
* Roger II of Sicily takes Corfu from the Byzantine Empire, and pillages Corinth, Athens and Thebes.

Births

* May 9 — Minamoto no Yoritomo, Japanese shogun (d. 1199)
*"date unknown"
**Emperor Guangzong of Song (d. 1200)
**Hugh de Kevelioc, 3rd Earl of Chester (d. 1181)
**Ibn Qudamah, Islamic scholar (d. 1223)
**Shōkū, Buddhist leader (d. 1247)
**King Stephen III of Hungary (d. 1172)
**Taira no Munemori, Japanese warrior (d. 1185)
**Wada Yoshimori, Japanese military commander (d. 1213)
*"probable" - Raimbaut of Orange, troubadour (d. 1173)

Deaths

* January 14 — Robert de Craon, second Grand Master of the Knights Templar
* September 19 — Igor II of Kiev
* October 31 — Robert, 1st Earl of Gloucester, English politician (b. c. 1090)
*"date unknown"
**Alberic of Ostia, Cardinal Bishop of Ostia (b. 1080)
**John Capellanus, Scottish bishop
**Comita II of Arborea, ruler of Arborea
**Eléonore of Blois, Countess of Vermandois (b. 1104)
**Ermengarde of Anjou, Duchess of Aquitaine (b. c. 1067)
**Frederick II, Duke of Swabia, (b. 1090)
**Pietro Polani, 36th Doge of Venice
**Guy II, Count of Ponthieu (b. c. 1120)
**William II of Nevers, Crusader leader (b. 1098)
**William fitz Duncan, Scottish prince