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
Marcellus I begins his reign as Catholic Pope, serving until his death in 309
Events Before
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
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
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...
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
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
Events After
St. Eusebius begins his reign as Catholic Pope
St. Eusebius begins his reign as Catholic Pope
St. Eusebius ends his reign as Catholic Pope
St. Eusebius ends his reign as Catholic Pope
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.
St Miltiades begins his reign as Catholic Pope
St Miltiades begins his reign as Catholic Pope
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...
More from the 300s
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
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
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...
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
Frequently Asked Questions
- What happened on May 27, 308?
- Marcellus I begins his reign as Catholic Pope, serving until his death in 309