Church Reform 910–1140
1. 910
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published
2. 1049–1054
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published
3. 1054
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published
4. 1073–1085
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published
5. 1077
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published
6. 1095
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published
7. 1097
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published
8. 1122
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published
9. c. 1140
-------- Concordat of Worms ends the Investiture Conflict Papacy of Gregory VII Henry IV does penance before Gregory VII at Canossa Papacy of Leo IX Founding of Cluny Council of Clermont; Pope Urban II calls the First Crusade Schism between eastern and western churches begins Establishment of commune at Milan Gratian’s Decretum, a systematic collection of canon law, published