Roman military diploma

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You can help expand this article with text translated from the corresponding article in Polish. (September 2017) Click [show] for important translation instructions. View a machine-translated version of the Polish article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 306 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Polish Wikipedia article at [[:pl:Rzymski dyplom wojskowy]]; see its history for attribution. You may also add the template {{Translated|pl|Rzymski dyplom wojskowy}} to the talk page. For more guidance, see Wikipedia:Translation.

A Roman military diploma was a document inscribed in bronze certifying that the holder was honourably discharged from the Roman armed forces and/or had received the grant of Roman citizenship from the emperor as reward for service.^[1]

The diploma was a notarised copy of an original constitutio (decree) issued by the emperor in Rome, listing by regiment (or unit) the eligible veterans. The constitutio, recorded on a large bronze plate, was lodged in the military archive at Rome (none such has been found; presumably they were melted down in later times).