On This Day

Year in History

Explore the major historical events, famous births, and notable deaths that occurred in the year 306. This year saw 2 significant events.

4th Century300s

306 Timeline

  1. Constantine I is proclaimed Roman Emperor by his troops

    Constantine I (27 February 272 – 22 May 337), also known as Constantine the Great, or known mononymously as Constantine, was Roman emperor from AD 306 to 337 and the first Roman emperor to convert to...

  2. Martyrdom of Saint Adrian of Nicomedia, a Roman guard, who is beheaded for converting to Christianity under Roman Empero

    Martyrdom of Saint Adrian of Nicomedia, a Roman guard, who is beheaded for converting to Christianity under Roman Emperor Galerius

Events

Frequently Asked Questions

What happened in 306?
In 306, there were 2 significant historical events. Notable events include Constantine I is proclaimed Roman Emperor by his troops, Martyrdom of Saint Adrian of Nicomedia, a Roman guard, who is beheaded for converting to Christianity under Roman Empero.

People in 306

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