Historia Hierosolymitana is a chronicle of the First Crusade written between c. 1107–1120 by Robert the Monk , a French prior.
Pope Urban II
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Pope Urban II, otherwise known as Odo of Châtillon or Otho de Lagery, was the head of the Catholic Church and ruler of the Papal States from 12 March 1088 to his death. He is best known for convening the Council of Clermont which ignited the series of Christian conquests known as the Crusades.
A 19th-century stained-glass depiction of Urban receiving St Anselm, exiled from England by William the Red amid the Investiture Controversy
Urban at Clermont (14th-century miniature)
Pope Urban II preaching the First Crusade at the Council of Clermont