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Leo the Great

Pope Saint
Leo I
Herrera mozo San León magno Lienzo. Óvalo. 164 x 105 cm. Museo del Prado.jpg
Saint Leo Magnus by Francisco Herrera the Younger, in the Prado Museum, Madrid.
Papacy began 29 September 440
Papacy ended 10 November 461
Predecessor Sixtus III
Successor Hilarius
Personal details
Birth name Leo
Born c. 400 AD
Tuscany, Western Roman Empire
Died 10 November 461(461-11-10)
Rome, Western Roman Empire
Sainthood
Feast day
  • 10 November
  • 11 April (pre-1969 calendar)
  • 18 February (Eastern Orthodoxy)
Venerated in
Attributes
Papal styles of
Pope Leo I
Emblem of the Papacy SE.svg
Reference style His Holiness
Spoken style Your Holiness
Religious style Holy Father
Posthumous style Saint

Pope Saint Leo I (c. 400 – 10 November 461), also known as Saint Leo the Great, was pope from 29 September 440 to his death in 461.

He was a Roman , and was the first pope to have been called "the Great". He is perhaps best known for having met Attila the Hun in 452 and persuading him to turn back from his invasion of Italy. He is also a Doctor of the Church, most remembered theologically for issuing the Tome of Leo, a document which was a major foundation to the debates of the Ecumenical Council of Chalcedon. The Council of Chalcedon, the fourth ecumenical council, dealt primarily with Christology, and elucidated the orthodox definition of Christ's being as the hypostatic union of two natures, divine and human, united in one person, "with neither confusion nor division". It was followed by a major schism associated with Monophysitism, Miaphysitism and Dyophysitism.

According to the Liber Pontificalis, he was a native of Tuscany. By 431, as a deacon, he occupied a sufficiently important position for Cyril of Alexandria to apply to him in order that Rome's influence should be thrown against the claims of Juvenal of Jerusalem to patriarchal jurisdiction over Palestine unless the letter is addressed rather to Pope Celestine I. About the same time John Cassian dedicated to him the treatise against Nestorius written at his request. Near the end of the reign of Pope Sixtus III, Leo was dispatched at the request of Emperor Valentinian III to settle a dispute between Aëtius, one of Gaul's chief military commanders, and the chief magistrate Caecina Decius Aginatius Albinus. These two men were the two highest officials in Gaul. Leo's work helped to solidify political and religious unity in his area of the Roman Empire.


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Wikipedia

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