On This Day

St. Eusebius begins his reign as Catholic Pope

St. Eusebius begins his reign as Catholic Pope

St. Eusebius begins his reign as Catholic Pope

Events Before

  1. 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

  2. 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...

  3. 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

  4. 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

  5. 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

Events After

  1. 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.

  2. St Miltiades begins his reign as Catholic Pope

    St Miltiades begins his reign as Catholic Pope

  3. Roman Emperor Constantine the Great is said to have received his famous Vision of the Cross

    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...

  4. Start of Imperial Indiction

    Start of Imperial Indiction

  5. Start of Roman (Pontifical) Indiction

    Start of Roman (Pontifical) Indiction

More from the 310s

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St. Eusebius begins his reign as Catholic Pope

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