Notable Historical Events - 1054
1054 Historical Events
| Date | Event |
|---|---|
Mar 12 |
Pope Leo IX escapes captivity & returns to Rome |
Jul 4 |
Brightest known supernova SN 1054 (creates the Crab Nebula) 1st reported by Chinese astronomers |
Jul 16 |
Michael Caerularius excommunicated of Constantinople |
Jul 16 |
Three Roman legates fracture relations between Western and Eastern Christian churches by placing invalid Papal Bull of Excommunication on altar of Hagia Sophia during Saturday afternoon divine liturgy. Often dated as start of the East-West Schism. |
Jul 17 |
Emperor Henry III crowns his son Henry IV king |
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