1119

Events

June 28 - Battle of Ager Sanguinis: The Crusader army of the Principality of Antioch under Roger of Salerno is ambushed and annihilated near Sarmada by the combined Muslim forces of Ilghazi, the Artuqid ruler of Aleppo. Muslim troops are sent to raid the suburbs of Antioch and sack the port of Saint Symeon. The Crusader fortresses at Atarib, Zardana, Sarmin, Ma'arrat al-Nu'man and Kafr Tab are captured. Ilghazi makes a triumphant entry at Aleppo, Crusader prisoners are dragged in chains – where they are tortured to death in the streets. The massacre leads to the name of the battle, Ager Sanguinis.
August 14 - Battle of Hab: The Crusaders under King Baldwin II of Jerusalem defeat Ilghazi's army at Ariha in Syria. Baldwin manages to re-capture all of the Crusader castles and returns to Antioch in triumph. He stabilizes the frontiers and prevents Ilghazi from marching on Antioch.

August 20 - Battle of Brémule: King Henry I of England defeats King Louis VI of France and his 400 knights in Normandy. A skirmish that begins with the French launching a fierce but disordered attack, and ends with the French turning tail. Louis agrees to make peace and formally recognizes William Adelin as duke of Normandy.

January 29 - Pope Gelasius II dies in exile after a 1-year pontificate at the Abbey of Cluny. He is succeeded by Callixtus II as the 162nd pope of the Catholic Church.
March - Olegarius Bonestruga, archbishop of Tarragona, preaches successfully a Crusade against the Moors in Catalonia.
Council of Reims: Callixtus II concludes peace with Henry I. There are 15 archbishops and over 200 bishops present.
Council of Toulouse: The Catholic Church condemns the Petrobrusian heresy.

Zhu Yu, a Chinese historian, publishes his book Pingzhou Table Talks, describing the earliest known use of bulkheads to provide separate hull compartments in ships. Zhu Yu's book is also the first to report the use of a magnetic compass for navigation at sea.
The Two Towers in Bologna are completed.