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SPQR or S.P.Q.R., an initialism for Senatus Populusque Romanus (Classical Latin: [sɛˈnaːtʊs pɔpʊˈɫʊskʷɛ roːˈmaːnʊs]; transl. "The Senate and People of Rome"), is an emblematic phrase referring to the government of the Roman Republic. It appears on documents made public by an inscription in stone or metal, in dedications of monuments and public works, and on some Roman currency.

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

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".

The title's date of establishment is unknown, but it first appears in inscriptions of the Late Republic, from around 80 BC onwards. Previously, the official name of the Roman state, as evidenced on coins, was simply ROMA. The abbreviation last appears on coins of Constantine the Great (ruled 312–337 AD), the first Roman emperor to support Christianity.^{[citation needed]}

This signature continued in use under the Roman Empire. The emperors were considered the de jure representatives of the people even though the senātūs consulta, or decrees of the Senate, were made at the de facto pleasure of the emperor.^{[citation needed]}

Populus Romanus in Roman literature is a phrase meaning the government of the People. When the Romans named governments of foreign states, they used populus in the singular or plural, such as populi Priscorum Latinorum, "the governments of the Old Latins". Romanus is the established adjective used to distinguish the Romans, as in civis Romanus, "Roman citizen".^{[citation needed]}

The Roman people appear very often in law and history in such phrases as dignitas, maiestas, auctoritas, libertas populi Romani, the "dignity, majesty, authority, freedom of the Roman people". They were a populus liber, "a free people". There was an exercitus, imperium, iudicia, honores, consules, voluntas of this same populus: "the army, rule, judgments, offices, consuls and will of the Roman people". They appear in early Latin as Popolus and Poplus, so the habit of thinking of themselves as free and sovereign was quite ingrained.^{[citation needed]}

The Romans believed that all authority came from the people. It could be said that similar language seen in more modern political and social revolutions directly comes from this usage. People in this sense meant the whole government. The latter, however, was essentially divided into the aristocratic Senate, whose will was executed by the consuls and praetors, and the comitia centuriata, "committee of the centuries", whose will came to be safeguarded by the Tribunes.^{[citation needed]}

One of the ways the emperor Commodus (180–192) paid for his donatives and mass entertainments was to tax the senatorial order, and on many inscriptions, the traditional order is provocatively reversed (Populus Senatusque...).^{[citation needed]}

Beginning in 1184, the Commune of Rome struck coins in the name of the SENATVS P Q R. From 1414 until 1517, the Roman Senate struck coins with a shield inscribed SPQR.

During the regime of Benito Mussolini, SPQR was emblazoned on a number of public buildings and manhole covers in an attempt to promote his dictatorship as a "New Roman Empire".^{[citation needed]}

Even in contemporary usage, SPQR is still used in the municipal coat of arms of Rome and as abbreviation for the comune of Rome in official documents.^[1][2] The Italians have long used a different and humorous expansion of this abbreviation, "Sono Pazzi Questi Romani" (literally: "They're crazy, these Romans").^[3] SPQR is also part of the coat of arms of the Capital Military Command of the Italian army (Italian: Comando Militare Capitale).

In business, in English-speaking countries, SPQR is sometimes (humorously) used to mean "Small Profits, Quick Returns", often by people who have studied Latin at school.^[4]

SPQx is sometimes used as an assertion of municipal pride and civic rights. The Italian town of Reggio Emilia, for instance, has SPQR in its coat of arms, standing for Senatus Populusque Regiensis. There have been confirmed usages and reports of the deployment of the "SPQx" template in:

City	Country	SPQx	Latin	Where has it been used
Alkmaar	Netherlands	SPQA		On the façade of the Waag building.
Amsterdam	Netherlands	SPQA	Senatus Populusque Amstelodamensis[5]	At the Stadsschouwburg theater on Leidseplein[6] and some of the bridges.[5]
Antwerp	Belgium	SPQA	Senatus Populusque Antverpensis	On Antwerp City Hall and other public buildings and schools.[7]
Ascoli Piceno	Italy	SPQA	Senatus Populusque Asculum	On the wall above the south loggia of the Piazza del Popolo, Ascoli Piceno.
Basel	Switzerland	SPQB	Senatus Populusque Basilea	On the Webern-Brunnen in Steinenvorstadt.[8]
Benevento	Italy	SPQB[9]	Senatus Populusque Beneventanus[9]	On manhole covers.[9]
Bologna	Italy	SPQB	Senatus Populusque Bonononiensis	On the Fountain of Neptune, Bologna.
Bremen	Germany	SPQB		In the Bremen City Hall.[10]
Bruges	Belgium	SPQB		On its coat of arms.[11]
Brussels	Belgium	SPQB	Senatus Populusque Bruxellensis (of the city) or Senatus Populusque Belgicus (of the country)	Found repeatedly on the Palais de Justice,[12] over the main stage of La Monnaie,[citation needed] and on the ceiling of the hemicycle of the Belgian Senate in the Palais de la Nation.
Capua	Italy	SPQC
Catania	Italy	SPQC		Can be found on manhole covers.
Chicago	United States	SPQC	Senatus Populusque Chicago	Can be found on the George N. Leighton Cook County Criminal Courthouse.[13]
Dublin	Ireland	SPQH	Senatus Populusque Hibernicus	On the City Hall, built in 1769.
Florianópolis	Brazil	SPQF[9]	Senatus Populusque Florianopolitanus[9]
Franeker	Netherlands	SPQF		At the a gate on the Westerbolwerk and Academiestraat 16.[14]
Freising	Germany	SPQF		Above the door of the town hall.
Ghent	Belgium	SPQG	Senatus Populusque Gandavensis	On the Opera, Theater and some other major buildings. Inscribed on a shield on coins struck in Ghent in 1583, during the Dutch Revolt.[15]
Groningen	Netherlands	SPQG		Above the entrance of the Der Aa-kerk.
The Hague	Netherlands	SPQH		Above the stage in Koninklijke Schouwburg.
Hamburg	Germany	SPQH		On a door in the Hamburg Rathaus.[16]
Hanover	Germany
Haarlem	Netherlands	SPQH		On the face of the town hall at the "Grote Markt".
Hasselt	Belgium	SPQH
Istanbul	Turkey	SPQC	Senatus Populusque Constantinopolitanus
Kortrijk	Belgium	SPQC	Senatus Populusque Cortoriacum	City hall.
Kraków	Poland	SPQC	Senatus Populusque Cracoviensis	Over the Waza Gate in Wawel Castle.
La Plata	Argentina	SPQR		On a monument outside of the city's "casco urbano".
Leeuwarden	Netherlands	SPQL	Senatus Populusque Leovardia	On the mayor's chain of office.[17]
Leuven	Belgium	SPQL	Senatus Populusque Leuvensis	Over the painting of Jesus in the back reception room inside Leuven Town Hall.
Liverpool	United Kingdom	SPQL	Senatus Populusque Liverpudliensis	On various gold doors in St George's Hall.[18]
City of London	United Kingdom	SPQL	Senatus Populusque Londiniensis	On historic variants of the City's coat of arms[19][20]
Lübeck	Germany	SPQL	Senatus Populusque Lubecensis	On the Holstentor.[21]
Lucerne	Switzerland
Madrid	Spain	SPQM	Senatus Populusque Matritensis	On the Fuente de Apolo [es], built in 1780.
Milan	Italy	SPQM		The Holy Roman Emperor Charles V struck coins at Milan with the inscription S P Q Mediol Optimo Principi.[22]
Modica	Italy	SPQM		On the coat of arms.[23]
Molfetta	Italy	SPQM		On the coat of arms.[24]
Naples	Italy	SPQN	Senatus Populusque Neāpolis	Inscribed on a shield on coins struck during Masaniello's 1647 revolt.[25]
Noto	Italy	SPQN	Senatus Populusque Netum	On the coat of arms.[26] and the façade of Noto Cathedral
Nuremberg	Germany	SPQN	Senatus Populusque Norimbergensis	On the Charles Bridge (one of the major bridges over river Pegnitz in the inner city).[27]
Oudenburg	Belgium	SPQO	Senatus Populusque Odenburgensis	On its water pump next to the market square.[28]
Olomouc	Czech Republic	SPQO[9]	Senatus Populusque Olomucensis	On its coat of arms.[29]
Palermo	Italy	SPQP		[30]
Penne, Abruzzo	Italy	SPQP		[30]
Rieti	Italy	SPQS	Senatus Populusque Sabinus	On the coat of arms. Present also in the modern composite Lazio coat-of-arms.
Rotterdam	Netherlands	SPQR		On a wall painting in the Rotterdam City Hall.
Severn Beach	United Kingdom	SPQR		On the crest of Pilning & Severn Beach Parish Council.
Seville	Spain	SPQH	Senatus Populusque Hispalensis	On the historic banner of the city.
Siena	Italy	SPQS		On the base of a statue of the Capitoline Wolf.[31]
Solothurn	Switzerland	SPQS	Senatus Populusque Solodori	On the Cathedral of St Ursus and Victor.
Terracina	Italy	SPQT		[32]
Tivoli, Lazio	Italy	SPQT		[33]
Toruń	Poland	SPQT	Senatus Populusque Thorunensis	City Hall.[34]
Valencia	Spain	SPQV	Senatus Populusque Valentinus	In several places and buildings, including the Silk Exchange[35] and the University of Valencia Historic Building.[36]
Verviers	Belgium	SPQV		On the Grand Theatre.[37]
Vienna	Austria	SPQV[9]	Senatus Populusque Viennensis[9]	Schönbrunn Palace

SPQR is often used to represent the Roman Empire and Roman Republic, such as in video games and movies. In the 2000 movie Gladiator, the Roman general Maximus (portrayed by Russell Crowe) has "SPQR" tattooed on his upper arm, which he removes by scraping after he is sold into slavery.

• 
  The inscription in the Arch of Titus
• 
  Manhole cover in Rome with SPQR inscription
• 
  SPQR in the coat of arms of Reggio Emilia
• 
  Detail from the mosaic floor in the Galleria Vittorio Emanuele II in Milan
• 
  "Superiority of the warrior class", by Wenceslaus Hollar
• 
  Arch of Septimius Severus top inscription
• 
  Dedicatory plaque to Federico Fellini on Via Veneto
• 
  Mural in the Burgerzaal of Rotterdam City Hall

• Beneš, Carrie E. (2009). "Whose SPQR? Sovereignty and semiotics in medieval Rome". Speculum. 84 (4): 874–904. doi:10.1017/s0038713400208130. S2CID 162598924.
• Moatti, Claudia (2017). "Res publica, forma rei publicae, and SPQR". Bulletin of the Institute of Classical Studies of the University of London. 60 (1): 34–48. doi:10.1111/2041-5370.12046.

• Instances of "Roman Senate and People" on Perseus.edu
• Lewis & Short dictionary entry for populus on Perseus.edu
• Polybius on the Senate and People (6.16)