Constantine Proclaimed Emperor: The Man Who Changes Rome Forever
Constantine's troops acclaimed him emperor in York, launching a military campaign that would eventually topple the Tetrarchy and reshape the empire's religious landscape. This sudden elevation propelled him to victory at the Milvian Bridge, where he adopted Christianity as a state religion and shifted the center of imperial power eastward to Constantinople.
July 25, 306
1720 years ago
Key Figures & Places
What Else Happened on July 25
Diocletian elevated his fellow soldier Maximian to the rank of Caesar, splitting the Roman Empire into eastern and western administrative halves. This pragmatic…
en Roma, el emperador Diocleciano designa a Maximiano como César codirigente.
The Senate built Constantine's victory arch by stealing from older monuments. Trajan's sculptures, Hadrian's medallions, Marcus Aurelius's panels—all pried loos…
clôture du Ier concile de Nicée.
The Slavs brought siege towers taller than the city's double walls. For three days in 677, they hurled themselves at Thessalonica's defenses—the Byzantine Empir…
Charles the Bald issued the Edict of Pistres, mandating the construction of fortified bridges across the Seine and other major rivers to block Viking longships …
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