William Rufus

“After this the king removed Thurstan, who was restored, however, by William Rufus and died as abbot in 1101.”

The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI

“The emperor Henry the Fourth was not disposed to obey the summons of the pope: Philip the First of France was occupied by his pleasures; William Rufus of England by a recent conquest; the kin‘gs of Spain were engaged in a domestic war against the Moors; and the northern monarchs of Scotland, Denmark,”

The History of the Decline and Fall of the Roman Empire