Constantine I, also known as Constantine the Great, was Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a pivotal role in elevating the status of Christianity in the Roman Empire, the Edict of Milan decriminalising Christian practice and ceasing Christian persecution. This was a turning point in the Christianisation of the Roman Empire. He founded the city of Constantinople and made it the capital of the Empire, which it remained for over a millennium.
Constantine the Great was proclaimed Roman emperor by his troops after the death of Constantius Chlorus.
On July 25, in the year 306, Constantine the Great was proclaimed Roman emperor by his troops after the death of Constantius Chlorus. This event is recorded as a Selected Events event in the history of July 25, one of 473 recorded events on this date across all of history.
Key Facts
- This event took place on July 25, 306 (AD era).
- It is categorised as a Selected Events event in recorded history.
- Referenced in 3 Wikipedia articles.
- Wikipedia source last updated on 12 July 2026.
On This Date in History 473
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
More on July 25
The Duffield Memorial (central medallion pictured) in Great Baddow, an "unusual example of Art Nouveau design in metal…
The Duffield Memorial is a gravesite monument located in the churchyard of the Church of St Mary in Great Baddow, Essex, England. Designed by Herbert Maryon and installed in 1912,…
The Duffield Memorial (central medallion pictured) in Great Baddow, an "unusual example of Art Nouveau design in metal…
Phoolan Devi, a serving Indian member of Parliament, was shot outside her house in New Delhi, India.
Phoolan Devi, popularly known as the Bandit Queen, was an Indian dacoit (bandit) who became a politician, serving as a member of parliament until her assassination. She was a woma…
Phoolan Devi, a serving Indian member of Parliament, was shot outside her house in New Delhi, India.
Struggle for Constantinople: Alexios Strategopoulos led Nicaean forces to recapture Constantinople, leading to the…
The struggle for Constantinople was a complex series of conflicts following the dissolution of the Byzantine Empire in the aftermath of the Fourth Crusade in 1204, fought between …
Struggle for Constantinople: Alexios Strategopoulos led Nicaean forces to recapture Constantinople, leading to the…
The Duffield Memorial (central medallion pictured), an "unusual example of Art Nouveau design in metal work", is…
The Duffield Memorial is a gravesite monument located in the churchyard of the Church of St Mary in Great Baddow, Essex, England. Designed by Herbert Maryon and installed in 1912,…
The Duffield Memorial (central medallion pictured), an "unusual example of Art Nouveau design in metal work", is…
WikiLeaks published 75,000 classified documents about the War in Afghanistan in one of the largest leaks in U.S.…
WikiLeaks is a non-profit media organisation and publisher of leaked documents. It is funded by donations and media partnerships. It has published classified documents and other m…
WikiLeaks published 75,000 classified documents about the War in Afghanistan in one of the largest leaks in U.S.…
Pratibha Patil was sworn in as the first female president of India.
Pratibha Devisingh Patil, also known as Pratibha Patil Shekhawat, is an Indian stateswoman and lawyer who served as the president of India from 2007 to 2012. She was the first wom…
Pratibha Patil was sworn in as the first female president of India.
Comments 0
Sign in to join the discussion.