Palermo's Palatine Chapel Apr 28 The Palatine Chapel, commissioned by Roger II and one of Norman Sicily's most important buildings is consecrated on Palm Sunday in Palermo (World Heritage Site 2015) King of Sicily Roger II Jun 3 French scholar Peter Abelard is found guilty of heresy Jul 2 Hartbert becomes bishop of Utrecht 1139 Historical Events by Year 1141 Medieval Popes Gregory I Gregory XIII Julius II Julius III Leo X Pius V
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V