Medieval Ages By SD9227 Jan 1, 1066 King William the Conqueror Feb 17, 1087 The reign of King William Rufus (son of William) Jun 11, 1100 The reign of King Henry I (William Rufus brother) Jul 28, 1135 The reign of King Stephen (nephew of Henry I) Aug 28, 1156 Kremlin built in Moscow Aug 11, 1170 Thomas a Becket is murdered in Canterbury Cathedral Sep 8, 1189 Muslim world and recapture Jerusalem, sparking the Third Crusade Oct 16, 1212 Children's Crusade Nov 27, 1258 Provisions of Oxford forced upon Henry III of England, establishing a new form of government limited regal authority Dec 14, 1483 The reign of King Richard III (uncle of Edward V)