521 CE

Samson of Dol is ordained as bishop in Brittany, on the Feast of the Chair of Saint Peter. Boethius introduces Greek musical letter notation to the West. Future Byzantine emperor Justinian, age 39, is appointed consul. He later becomes Commander-in-chief of the Army of the East.

In the 520s, the 6th century.

Conflict & Security

  • Ma`adikarib Ya`fur becomes king, supported by the Aksumites; he begins a military campaign against the Arabian tribes.source
  • Future Byzantine emperor Justinian, age 39, is appointed consul. He later becomes Commander-in-chief of the Army of the East.source

Religion & Belief

  • February 22 – Samson of Dol is ordained as bishop in Brittany, on the Feast of the Chair of Saint Peter.source
  • Ecclesius becomes a bishop of Ravenna.source

Culture & Society

  • Boethius introduces Greek musical letter notation to the West.source

Births

  • December 7 – Columba, Gaelic Irish missionary monk (died 597)source
  • Gao Cheng, high official and regent of Eastern Wei (died 549)source
  • Agericus, bishop of Verdun (approximate date)source

Deaths