Valerian (emperor)
Valerian (Latin: Publius Licinius Valerianus Augustus; 193/195/200 – 260 or 264), also known as Valerian the Elder, was Roman Emperor from 253 to 260. He was taken captive by Persian king Shapur I after the Battle of Edessa, becoming the only Roman Emperor who was captured as a prisoner of war, causing instability in the Empire.
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