Dashed left edge = started before October 1147 ·
Dashed right edge = ongoing beyond October 1147
Events in October 1147 3
1090 – 1147Robert of Gloucester (1090-1147)Died 31 October 1147, aged about 57Robert, illegitimate son of King Henry I of England and Earl of Gloucester, was the principal military commander and financier for his half-sister Empress Matilda during the civil war known as the Anarchy. He captured King Stephen at the Battle of Lincoln in 1141 and was later himself captured and exchanged for Stephen. He died at Bristol Castle, his main stronghold, on 31 October 1147.
1147Siege of LisbonCrusaders help Portugal capture Lisbon from the MoorsAfonso I of Portugal besieged Lisbon with the aid of northern European crusaders sailing to the Holy Land, who stopped en route at his request. After a four-month siege the Moorish garrison surrendered on 24 October, and Portuguese forces entered the city the next day. The capture was a major Reconquista victory and effectively doubled the size of the Portuguese kingdom.
1147Battle of DorylaeumSeljuk Turks rout the German crusader armyConrad III's German contingent of the Second Crusade was ambushed and heavily defeated by Seljuk Turkish forces near Dorylaeum in Anatolia on 25 October. Most of the army was destroyed, and Conrad himself was wounded. The defeat forced the survivors to retreat to Nicaea and join the slower-moving French army.