On This Day

Roman Emperor Constantine I marries Fausta, daughter of the Emperor Maximian, later murdering her in 326

Roman Emperor Constantine I marries Fausta, daughter of the Emperor Maximian, later murdering her in 326

Roman Emperor Constantine I marries Fausta, daughter of the Emperor Maximian, later murdering her in 326

Key People

Constantine the Great

Roman emperor from 306 to 337

Roman emperor from 306 to 337

Events Before

  1. San Marino, one of the smallest nations in the world and the world's oldest republic still in existence, is founded by S

    San Marino, one of the smallest nations in the world and the world's oldest republic still in existence, is founded by Saint Marinus

  2. First official Roman edict for persecution of Christians issued by Emperor Diocletian at Nicomedia, ordering all churche

    First official Roman edict for persecution of Christians issued by Emperor Diocletian at Nicomedia, ordering all churches to be closed and scriptures burnt

  3. On a voyage preaching the gospel, Saint Fermin of Pamplona is beheaded in Amiens, France

    On a voyage preaching the gospel, Saint Fermin of Pamplona is beheaded in Amiens, France

  4. 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...

  5. 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 After

  1. Marcellus I begins his reign as Catholic Pope, serving until his death in 309

    Marcellus I begins his reign as Catholic Pope, serving until his death in 309

  2. St. Eusebius begins his reign as Catholic Pope

    St. Eusebius begins his reign as Catholic Pope

  3. St. Eusebius ends his reign as Catholic Pope

    St. Eusebius ends his reign as Catholic Pope

  4. Roman Emperor Galerius issues the Edict of Toleration, ending the persecution of Christians in the Roman Empire

    Early Christians were heavily persecuted throughout the Roman Empire until the 3rd century.

  5. St Miltiades begins his reign as Catholic Pope

    St Miltiades begins his reign as Catholic Pope

More from the 300s

Frequently Asked Questions

What happened on March 31, 307?
Roman Emperor Constantine I marries Fausta, daughter of the Emperor Maximian, later murdering her in 326
Who was involved in Roman Emperor Constantine I marries Fausta, daughter of the Emperor Maximian,...?
Key figures include Constantine the Great (Roman emperor from 306 to 337).

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