First official Roman edict for persecution of Christians issued by Emperor Diocletian at Nicomedia, ordering all churches to be closed and scriptures burnt
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
Key People
Events Before
Roman emperor Maximianus introduces tetrarchy (rule of four people) elevating Galerius and Constantius Chlorus to Caesar
Roman emperor Maximianus introduces tetrarchy (rule of four people) elevating Galerius and Constantius Chlorus to Caesar
Eighth recorded perihelion passage of Halley's Comet
Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years, though with the majority of recorded apparitions (25 of 30)...
St Gaius ends his reign as Catholic Pope
St Gaius ends his reign as Catholic Pope
St Marcellinus begins his reign as Catholic Pope
The pope is the bishop of Rome and the head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff.
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
Events After
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
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
St. Eusebius begins his reign as Catholic Pope
St. Eusebius begins his reign as Catholic Pope
More from the 300s
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
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
Frequently Asked Questions
- What happened on February 22, 303?
- First official Roman edict for persecution of Christians issued by Emperor Diocletian at Nicomedia, ordering all churches to be closed and scriptures burnt
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- Key figures include Diocletian (Roman emperor from 284 to 305).