Ad Fluvium Frigidum, reenactment event 2025, Ajdovscina; credits: https://www.facebook.com/adfluviumfrigidum/mentions/

#OTD The Battle of the #Frigidus, also called the Battle of the Frigid River, was fought on 5th and 6th September 394 between the armies of the Roman Emperor #Theodosius the Great and the rebel Augustus Eugenius, in the Vipacco Valley, where the Frigidus River is thought to be found. (Slovenia)