306 in history

306 events chronologically

Mar 4 Martyrdom of Saint Adrian of Nicomedia
Jul 25 Constantine I is proclaimed Roman emperor by his troops
Oct 26 Martyrdom of Saint Demetrius of Thessaloniki
Oct 28 Maxentius is proclaimed Roman Emperor

Died in 306

Feb 17 Theodore of Amasea one of the two saints called Theodore, who are venerated as Warrior Saints and Great Martyrs in the Eastern Orthodox Church. He is also known as Theodore Tyron. The other saint of the same name is Theodore Stratelates, also known as Theodore of Heraclea, but this second St Theodore may never have had a separate existence. When the epithet is omitted, the reference is usually to St Theodore of Amasea
Jul 25 Constantius Chlorus Roman Emperor from 293 to 306, commonly known as Constantius Chlorus. He was the father of Constantine the Great and founder of the Constantinian dynasty