1154
*
King Stephen of England dies at
Dover, and is succeeded by his adopted son
Henry Plantagenet who becomes King Henry II of England, aged 21.
*
Sweden's
King Eric introduces
Christianity to
Finland (see
History of Finland).
*
December 14 - Nicholas Breakspear, the only
English pope, is elected as
Pope Adrian IV, succeeding
Pope Anastasius IV.
* A
chateau is built at
Chinon by Theobald I, count of
Blois.
*
William I becomes
king of Sicily.
*
Nur ad-Din gains control of
Damascus, uniting
Syria under one ruler.
*
Muhammad al-Idrisi completes his atlas of the world, which will remain one of the most accurate maps until the
Age of Discovery.
*
Birmingham,
England, and the
Birmingham Bull Ring are founded.
*
Bosnia becomes an autonomous duchy.
*
Belgrade is rebuilt by
Byzantine emperor Manuel I Comnenus.
*
Tallinn, the capital of
Estonia was firstly marked on the world map by
Al Idrisi*
November 11 - King
Sancho I of Portugal (died
1212)
*
Benoît de Sainte-Maure, French poet and troubadour (died
1173)
*Queen
Constance of Sicily, wife of
Henry VI, Holy Roman Emperor (died
1198)
*
Minamoto no Yoshinaka, Japanese shogun
*
Sune Sik Sverkersson Prince of Sweden*
Vsevolod the Big Nest, Grand Prince of Vladimir (died
1212)
*
February 20 - Saint
Wulfric of
Haselbury Plucknett*
February 26 - King
Roger II of Sicily (born
1093)
*
August 16 - King
Ramiro II of Aragon*
October 25 - King
Stephen of England (born
1096)
*
November 18 -
Adélaide de Maurienne, queen of
Louis VI of France (b.
1092)
*
December 3 -
Pope Anastasius IV*
Iziaslav II of Kiev, Prince of Vladimir and Volyn
*
Vyacheslav of Kiev, Prince of Smolensk