On This Day

Supernova Crab nebula last seen by the naked eye

Supernova Crab nebula last seen by the naked eye

Supernova Crab nebula last seen by the naked eye

Events Before

  1. The Great Schism between Western and Eastern churches begins when Roman Cardinal Humbert issues a bull of excommunicatio

    The Great Schism between Western and Eastern churches begins when Roman Cardinal Humbert issues a bull of excommunication against Cerularius, Patriarch of Constantinople, on the altar of the Hagia Sophia in Constantinople

  2. Pope Leo IX escapes captivity and returns to Rome

    Pope Leo IX escapes captivity and returns to Rome

  3. Theodora crowned Empress of the Byzantine Empire

    Theodora Porphyrogenita was Byzantine Empress from 21 April 1042 to her death on 31 August 1056, and sole ruler from 11 January 1055.

  4. German Bishop Gebhard of Dollnstein-Hirschberg named Pope Victor II

    Pope Victor II (1018 – 28 July 1057), born Gebhard von Dollnstein-Hirschberg, was the head of the Catholic Church and ruler of the Papal States from 13 April 1055 until his death in 1057.

  5. Seldjuken under Toghril Beg occupy Baghdad

    Seldjuken under Toghril Beg occupy Baghdad

Events After

  1. The Ostromir Gospel, now the oldest surviving Russian manuscript is recorded completed by its scribe Deacon Grigory [1]

    The Ostromir Gospel, now the oldest surviving Russian manuscript is recorded completed by its scribe Deacon Grigory [1]

  2. Frederick of Lorraine elected as the first Belgian Pope Stephen IX [X]

    Frederick of Lorraine elected as the first Belgian Pope Stephen IX [X]

  3. Bishop Giovanni "Minchus" ["the thin"] elected as Anti-Pope Benedict X

    Bishop Giovanni "Minchus" ["the thin"] elected as Anti-Pope Benedict X

  4. Papal bull "In nomine Domini" (In the Name of the Lord) issued by Pope Nicholas II establishing popes elected by Bishops

    Papal bull "In nomine Domini" (In the Name of the Lord) issued by Pope Nicholas II establishing popes elected by Bishops and Cardinals not appointed by their predecessor

  5. Treaty of Melfi: Pope Nicholas II recognizes the Norman conquest of Southern Italy by appointing Norman adventurer Rober

    Treaty of Melfi: Pope Nicholas II recognizes the Norman conquest of Southern Italy by appointing Norman adventurer Robert Guiscard Duke of Apulia and Calabria and Count of Sicily

More from the 1050s

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Supernova Crab nebula last seen by the naked eye

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