page_title: 254
section_title: Roman Empire
hierarchical_section_title: 254 / Events / By place / Roman Empire
caption_attribution_description: Antoninian of Valerianus Valerianus
context_page_description: Year 254 was a common year starting on Sunday of the Julian calendar.
context_section_description: Publius Licinius Valerianus Augustus and Publius Licinius Egnatius Gallienus become Roman Consuls.
caption: Coin showing Publius Licinius Valerianus Augustus
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