Directory

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.

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

Science & Discovery

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

Births

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

Deaths

  • July 17 – Magnus Felix Ennodius, bishop and Latin poetsource
  • November 29 – Jacob of Serugh, Syrian poet and theologiansource