Battle of Danube
Defeats his major rival Magnentius in battle
Permanent historical records · Updated 2026-11-03
351 in Roman Empire
Explore 11 historical events and records for Roman Empire in 351.
Historical records for Roman Empire in 351
Sorted by month and day. Records with no month are shown last. Showing 11 of 11 unique records.
11Unique records
1 of 1Page
9Named events on this page
5Named people on this page
4Places on this page
Other events (month unknown)
Battle of Mursa
Helps Constantius II defeat the usurper Magnentius
Battle of Mursa Major
The armies of Magnentius and Constantius met in the Battle of Mursa Major. As a result of Magnentius defeat, Italy ejects his garrisons and rejoined the loyalist cause
Battle of Mursa Major
The armies of Magnentius and Constantius met in the Battle of Mursa Major. Magnentius led his troops into battle, while Constantius spent the day of Battle praying in a nearby church, despite Magnentius heroism, his troops were defeated and forced to retreat back to Gaul. As a result of Magnentius defeat, Italy ejects his garrisons and rejoined the loyalist cause
Battle of Mursa Major
The armies of Magnentius and Constantius meet in the Battle of Mursa Major. After electing Magnus Decentius to Caesar and gathering as many troops as possible
Civil War Weakens Rhine Garrison
Roman civil conflict in the reign of Constantius II weakened frontier security and helped create opportunities for Alamannic incursions.
Gallus Establishes Eastern Court
Constantius Gallus governed the eastern territories from Antioch, where his court became embroiled in conflict with local officials.
Rule of Antioch
Succeeds as Emperor of the East, given control of Antioch, Syria & Palestine
Rule of Palestine
Succeeds as Emperor of the East, given control of Antioch, Syria & Palestine
Rule of Syria
Succeeds as Emperor of the East, given control of Antioch, Syria & Palestine
Succession
Succeeds as Emperor of the East, given control of Antioch, Syria & Palestine
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.