Events December 4 — First Crusade: The Crusaders conquer Sidon. Henry V, Holy Roman Emperor invades Italy. The Russian Primary Chronicle ends. Construction begins on Fontevraud Abbey in France. Beirut and Sidon are captured by the Crusaders. Mawdud of Mosul captures all land belonging to the Crusader County of Edessa east of the Euphrates. Byzantine Emperor Alexius I Comnenus renews his war with the Seljuk Turks. Births Düsum Khyenpa, 1st Gyalwa Karmapa (d. 1193) St. Euphr… (More on 1110)