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SPQR

Latin initialism referring to the government of the ancient Roman Republic

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The full phrase appears in Roman political, legal and historical literature, such as the speeches of Cicero and the Ab Urbe Condita Libri (Books from the Founding of the City) of Livy.

Translation

In Latin, Senātus is a nominative singular noun meaning "Senate". Populusque is compounded from the nominative noun Populus, "the People", and -que, an enclitic particle meaning "and" which connects the two nominative nouns. The last word, Rōmānus ("Roman"), is an adjective modifying the whole of Senātus Populusque: the "Roman Senate and People", taken as a whole. Thus, the phrase is translated literally as "The Roman Senate and People", or more freely as "The Senate and People of Rome".

An alternative interpretation of the acronym, provided by the dictionary IL – Vocabolario della lingua latina by Luigi Castiglioni and Scevola Mariotti, is ‘Senatus Populusque Quiritium Romanus’, that is: ‘the Roman Senate and People of the Quirites’; the Quirite (quiris) was, in fact, a citizen of ancient Rome who enjoyed full civil, political and even military rights.

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Source and licence. Adapted from the Wikipedia article “SPQR” (this version, 2026-09-29) by its contributors, shared under CC BY-SA 4.0. Lablypedia has left out its tables, references and most pictures, and linked it to other Lablypedia articles.