1155
Year 1155 was a common year starting on Saturday of the Julian calendar.
Events
By place
Europe
- April 18 - Siege of Tortona: German forces capture the citadel of Tortona. The city is razed to the ground, including the graves.
- June 18 - King Frederick Barbarossa is crowned as Holy Roman Emperor by Pope Adrian IV at St. Peter's Basilica in Rome.
- Arnold of Brescia is exiled by Adrian IV and forced to flee. He is arrested by imperial forces, hanged, and his body burned at the stake in Rome in June.
- The city of Bari rebels against King William I of Sicily and recognizes the Byzantine emperor Manuel I Komnenos as its overlord.
- The Virgin of Vladimir icon is taken by Grand Prince Andrey Bogolyubsky to Vladimir from Suzdal.
England
- Spring - King Henry II has the Palace of Westminster repaired. Thomas Becket, archbishop of Canterbury, is given the task of repairing the buildings.
- Henry II subdues the English nobles who have become too powerful during the civil war. He takes Bridgnorth Castle and Scarborough Castle.
- Henry II grants the city of Bristol a Royal charter, and is divided between Gloucestershire and Somerset.
- New Year's Day is changed from January 1 to March 25.
Asia
- August 22 - The 16-year-old Emperor Konoe dies after a 14-year reign. He is succeeded by his brother Go-Shirakawa as the 77th emperor of Japan.
- Jaisalmer Fort, located in the Indian state Rajasthan, is constructed by the Rajput ruler Rawal Jaisal.
By topic
Religion
- A plan to conquer Ireland is approved by Adrian IV in a Papal bull called Laudabiliter. It gives Henry II lordship over Ireland, but the Irish kings resist English rule.
- Summer - Robert of Chichester becomes bishop of Exeter.
Births
- February 28 - Henry the Young King, son of Henry II
- May 17 - Jien, Japanese poet and historian
- November 11 - Alfonso VIII, king of Castile
- Abu Muhammad Salih, Almohad Sufi leader
- Benkei, Japanese warrior monk
- Bernard d'Armagnac, French nobleman
- Fujiwara no Ariie, Japanese nobleman
- Fujiwara no Yasuhira, Japanese nobleman
- Geoffrey de Saye, English nobleman
- Kamo no Chōmei, Japanese waka poet
- Maud de Braose, English noblewoman
- Ottokar I, duke of Bohemia
- Sicard of Cremona, Italian prelate
- Taira no Tokuko, Japanese empress
Deaths
- June 4 - Baldwin de Redvers, English nobleman
- June 10 - Sigurd II, king of Norway
- June 11 - Kenkai, Japanese Buddhist monk
- August 22 - Konoe, emperor of Japan
- November 18 - Qin Hui, Chinese politician
- Arnold of Brescia, Italian priest and rebel
- Fujiwara no Akisuke, Japanese nobleman
- Geoffrey of Monmouth, English historian
- Li Qingzhao, Chinese poet and writer
- Minamoto no Yoshikuni, Japanese samurai
- William de Mohun, English nobleman