Important Historical Events of the year 1054, Year 1054 in History

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List of 1054 Major News Events in History, Most Important Historical Events in 1054

What happened in the year 1054?

Date	Event
July 4, 1054	A supernova, called SN 1054, is seen by Chinese Song dynasty, Arab, and possibly Amerindian observers near the star Zeta Tauri. For several months it remains bright enough to be seen during the day. Its remnants form the Crab Nebula.
July 16, 1054	Three Roman legates break relations between Western and Eastern Christian Churches through the act of placing a Papal bull (of doubtful validity) of Excommunication on the altar of Hagia Sophia during Saturday afternoon divine liturgy. Historians frequently describe the event as the formal start of the East–West Schism.
July 27, 1054	Siward, Earl of Northumbria, invades Scotland and defeats Macbeth, King of Scotland, somewhere north of the Firth of Forth.