Jul 11 Signing of the Treaty of Saint-Clair-sur-Epte between Charles the Simple and Rollo of Normandy
Sep 2 Viking-monarch Oleg of Kiev-Russia signs treaty with Byzantines
Oct 1 During a siege in Constantinople, the Theotokos (Mary, the mother of Jesus) appeared at the church in Blachernae holding her veil over the praying faithful, among them St. Andrew of Constantinople.
Nov 10 Conrad I of Germany [Conrad the Younger] (30) elected as King of East Francia
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V