Conquest of Toledo from the Moors by Alfonso of Castile.
1086. "[COMPLETION OF THE DOMESDAY BOOK]." See v, 242.
The Mahometans of Spain invite the chief of the Almoravides to assist them. See "[DECLINE OF THE MOORISH POWER IN SPAIN]," v, 256.
1087. King William of England invades France; he dies at Rouen. His eldest son, Robert, inherits Normandy; his second son, William Rufus, secures the throne of England.
1088. Yussef is called into Spain by the Moorish princes; their jealousies and discords render his assistance unavailing. See "[DECLINE OF THE MOORISH POWER IN SPAIN]," v, 256.
1089. Henry IV excommunicated by Pope Urban II. A violent earthquake in England.
The disease known as St. Anthony's fire breaks out in Lorraine.
1090. Hasan, Subah of Nishapur, collects a band of Carmathians who are named after him, "Assassins."
William Rufus, King of England, invades Normandy and captures St. Valery.
1091. Yussef conquers Seville and Almeria, sends Almoatamad to Africa, and becomes supreme ruler in Mahometan Spain. See "[DECLINE OF THE MOORISH POWER IN SPAIN]," v, 256.