 Most notable was his crushing victory over the Alamanni at the Battle of Argentoratum (Strasbourg) in 357, leading his 13,000 men against a Germanic army three times larger.In 360, Julian was proclaimed "Augustus" by his soldiers at Lutetia (Paris), sparking a civil war with Constantius.However, Constantius died before the two could face each other in battle, and named Julian as his successor.