Deaths on September 24

Hermann of Reichenau

Died on September 24, 1054

Hermann of Reichenau, German composer, mathematician, and astronomer (b. 1013)

Blessed Hermann of Reichenau (18 July 1013 – 24 September 1054), also known by other names, was an 11th-century Benedictine monk and scholar. He composed works on history, music theory, mathematics, and astronomy, as well as many hymns. He has traditionally been credited with the composition of "Salve Regina", "Veni Sancte Spiritus", and "Alma Redemptoris Mater", although these attributions are sometimes questioned. His cultus and beatification were confirmed by the Roman Catholic Church in 1863.

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Hermann of Reichenau

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Events on 1054

16 Jul

East-West Schism
Three Roman legates break relations between Western and Eastern Christian Churches through the act of placing an invalidly-issued Papal bull of Excommunication on the altar of Hagia Sophia during Saturday afternoon divine liturgy. Historians frequently describe the event as the start of the East-West Schism.