🧙♂️⚔"100 Rulers & Rebels of Rome". 📒 Day 42. #Valerian (195-265). Proclaimed Emperor by Raetian troops, he let his son Gallienus to rule the West, as he marched to fight Persians. But he was betrayed and emprisoned by Shapur I. His place: 🏛 #Edessa, where he was taken captive.