Publius Licinius Egnatius Gallienus was a Roman Emperor who ruled from 253 to 268 AD. He was the son of Emperor Valerian and was proclaimed co-emperor alongside his father in 253. During his reign, Gallienus was successful in restoring
Publius Licinius Egnatius Gallienus was a Roman Emperor who ruled from 253 to 268 AD. He was the son of Emperor Valerian and was proclaimed co-emperor alongside his father in 253. During his reign, Gallienus was successful in restoring