357 CE
The Alans rout the Hun army in Western Asia. Summer – Battle of Strasbourg: Julian, Caesar (deputy emperor) and supreme commander of the Roman army in Gaul, wins an important victory against the Alemanni at Strasbourg (Argentoratum), driving the barbarians back behind the Rhine. At about this date, the relics of St Andrew the Apostle are taken from Patras to Constantinople by order of the Emperor Constantius II, and deposited in the Church of the Holy Apostles.
Geopolitics & Diplomacy
- The reign of Fú Jiān, the emperor of Former Qin, commences in China.source
Conflict & Security
- The Alans rout the Hun army in Western Asia.source
- Summer – Battle of Strasbourg: Julian, Caesar (deputy emperor) and supreme commander of the Roman army in Gaul, wins an important victory against the Alemanni at Strasbourg (Argentoratum), driving the barbarians back behind the Rhine.source
- At about this date, Basil of Caesarea visits Egypt.source
- Winter – Constantius II receives ambassadors from the Persian Empire. They demand that Rome restore the lands surrendered by King Narseh.source
- Saran, King of Ulster, is overthrown.source
Religion & Belief
- Ammianus Marcellinus describes the Pantheon as being "rounded like the boundary of the horizon and vaulted with a beautiful loftiness".source
- At about this date, the relics of St Andrew the Apostle are taken from Patras to Constantinople by order of the Emperor Constantius II, and deposited in the Church of the Holy Apostles.source
- Late in the year Pope Liberius travels to Sirmium (Pannonia) and agrees to sign documents that effectively undo the Nicene Creed (which implicitly disavows Arianism) and to sever his relationship with the former Alexandrian patriarch Athanasius, who is replaced as patriarch of Alexandria by his Arian opponent George of Cappadocia.source