The Roman Senate () was the highest and
constituting assembly of
ancient Rome
In modern historiography, ancient Rome is the Roman people, Roman civilisation from the founding of Rome, founding of the Italian city of Rome in the 8th century BC to the Fall of the Western Roman Empire, collapse of the Western Roman Em ...
and its
aristocracy
Aristocracy (; ) is a form of government that places power in the hands of a small, privileged ruling class, the aristocracy (class), aristocrats.
Across Europe, the aristocracy exercised immense Economy, economic, Politics, political, and soc ...
. With different powers throughout its existence it lasted from the first days of the
city of Rome (traditionally founded in 753 BC) as the
Senate of the Roman Kingdom, to the
Senate of the Roman Republic and
Senate of the Roman Empire and eventually the
Byzantine Senate of the
Eastern Roman Empire, existing well into the
post-classical era
In Human history, world history, post-classical history refers to the period from about 500 CE to 1500 CE, roughly corresponding to the European Middle Ages. The period is characterized by the expansion of civilizations geographically an ...
and
Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of global history. It began with the fall of the Western Roman Empire and ...
.
During the days of the
Roman Kingdom, the Senate was generally little more than an advisory council to the king. However, as Rome was an
electoral monarchy, the Senate also elected new
Roman kings. The last king of Rome,
Lucius Tarquinius Superbus, was overthrown following a
coup d'état led by
Lucius Junius Brutus, who founded the
Roman Republic
The Roman Republic ( ) was the era of Ancient Rome, classical Roman civilisation beginning with Overthrow of the Roman monarchy, the overthrow of the Roman Kingdom (traditionally dated to 509 BC) and ending in 27 BC with the establis ...
. During the early Republic, the Senate was politically weak, while the various executive
Roman magistrates who appointed the senators for life (or until expulsion by
Roman censors) were quite powerful. Since the transition from monarchy to constitutional rule was most likely gradual, it took several generations before the Senate was able to assert itself over the executive magistrates. By the middle Republic, the Senate had reached the apex of its republican power. The late Republic saw a decline in the Senate's power, which began following the reforms of the
tribunes
Tiberius and Gaius Gracchus. After the transition of the Republic into the
Principate, the Senate lost much of its political power as well as its prestige.
Following the
constitutional reforms of Emperor
Diocletian, the Senate became politically irrelevant. When the seat of government was transferred out of Rome, the Senate was reduced to a purely municipal body. That decline in status was reinforced when
Constantine the Great created
an additional senate in
Constantinople. After
Romulus Augustulus was deposed in 476, the Senate in the Western Empire functioned under the rule of
Odoacer (476–489) and during
Ostrogothic rule (489–535). It was restored to its official status after the reconquest of Italy by
Justinian I
Justinian I (, ; 48214 November 565), also known as Justinian the Great, was Roman emperor from 527 to 565.
His reign was marked by the ambitious but only partly realized ''renovatio imperii'', or "restoration of the Empire". This ambition was ...
but the Western Senate ultimately disappeared after 603, the date of its last recorded public act. Some Roman aristocrats in the
Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of global history. It began with the fall of the Western Roman Empire and ...
bore the title ''senator'', but it was by this point a purely honorific title and does not reflect the continued existence of the classical Senate.
The Eastern Senate survived in Constantinople through the 14th century.
Although the Latin was the origin of the modern-day concept of the
senate, the Roman Senate was not the ancestor or predecessor of modern parliamentarism or other senatorial structures in any direct sense, as the Roman senate was not a ''de jure''
legislative body.
History
Senate of the Roman Kingdom
The senate was a political institution in the ancient
Roman Kingdom. The word ''
senate'' derives from the
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
word ''
senex'', which means "old man"; the word thus means "assembly of elders". The prehistoric
Indo-Europeans who settled Italy in the centuries before the founding of Rome in 753 BC
[Abbott, 3] were structured into tribal communities,
[Abbott, 1] and these communities often included an aristocratic board of tribal elders.
[Abbott, 12]
The early Roman family was called a ''gens'' or "clan",
and each clan was an aggregation of families under a common living male patriarch, called a ''
pater'' (the Latin word for "father").
[Abbott, 6] When the early Roman ''gentes'' were aggregating to form a common community, the ''
patres'' from the leading clans were selected
[Abbott, 16] for the confederated board of elders that would become the Roman senate.
Over time, the ''patres'' came to recognize the need for a single leader, and so they elected a
king
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
(''rex''),
and vested in him their sovereign power.
[Byrd, 42] When the king died, that sovereign power naturally reverted to the ''patres''.
The senate is said to have been created by Rome's first king,
Romulus, initially consisting of 100 men. The descendants of those 100 men subsequently became the
patrician class. Rome's fifth king,
Lucius Tarquinius Priscus, chose a further 100 senators. They were chosen from the minor leading families, and were accordingly called the ''patres minorum gentium''.
Rome's seventh and final king,
Lucius Tarquinius Superbus, executed many of the leading men in the senate, and did not replace them, thereby diminishing their number. However, in 509 BC Rome's first and third
consuls,
Lucius Junius Brutus and
Publius Valerius Publicola chose from amongst the leading equites new men for the senate, these being called ''conscripti'', and thus increased the size of the senate to 300.
The senate of the
Roman Kingdom held three principal responsibilities: It functioned as the ultimate repository for the executive power,
[Abbott, 10] it served as the king's council, and it functioned as a legislative body in concert with the
people of Rome.
[Abbott, 17] During the years of the monarchy, the senate's most important function was to elect new kings. While the king was nominally elected by the people, it was actually the senate who chose each new king.
The period between the death of one king and the election of a new king was called the ''
interregnum
An interregnum (plural interregna or interregnums) is a period of revolutionary breach of legal continuity, discontinuity or "gap" in a government, organization, or social order. Archetypally, it was the period of time between the reign of one m ...
'',
during which time the
Interrex nominated a candidate to replace the king.
[Abbott, 14] After the senate gave its initial approval to the nominee, he was then formally elected by the people,
[Byrd, 20] and then received the senate's final approval.
At least one king,
Servius Tullius, was elected by the senate alone, and not by the people.
The senate's most significant task, outside regal elections, was to function as the king's council, and while the king could ignore any advice it offered, its growing prestige helped make the advice that it offered increasingly difficult to ignore. Only the king could make new laws, although he often involved both the senate and the curiate assembly (the popular assembly) in the process.
Senate of the Roman Republic

When the Republic began, the Senate functioned as a special committee. It consisted of 300–500 senators who served for life. Only patricians were members in the early period, but plebeians were also admitted before long, although they were denied the senior magistracies for a longer period.
The Senate held the fiscal responsibilities of the Roman Republic's treasury holding a regulatory power over incoming and outgoing transactions. The Senate would ultimately be in charge of creating and maintaining public buildings, as only they had the power to distribute grants to the Censors. Furthermore, the Senate also oversaw judicial proceedings in extreme cases of violent offenses in Italy. At the request of allies of Italy, the Senate could oversee their judicial proceedings on extreme cases requiring further investigation as well. The Senate was also in charge of diplomatic measures in the representation of the Roman Republic.
Senators were entitled to wear a
toga with a broad purple stripe, maroon shoes, and an iron (later gold) ring.
The Senate of the Roman Republic passed decrees called , which in form constituted "advice" from the senate to a magistrate. While these decrees did not hold legal force, they usually were obeyed in practice.
[Byrd, 44]
If a ''senatus consultum'' conflicted with a law (''lex'') that was passed by an
assembly, the law overrode the ''senatus consultum'' because the ''senatus consultum'' had its authority based on precedent and not in law. A ''senatus consultum'', however, could serve to interpret a law.
[Abbott, 233]
Through these decrees, the senate directed the
magistrates, especially the
Roman Consuls (the chief magistrates), in their prosecution of military conflicts. The senate also had an enormous degree of power over the civil government in Rome. This was especially the case with regard to its management of state finances, as only it could authorize the disbursal of public funds from the treasury. As the Roman Republic grew, the senate also supervised the administration of the provinces, which were governed by former consuls and
praetors, in that it decided which magistrate should govern which province.
Since the 3rd century BC the senate also played a pivotal role in cases of emergency. It could call for the appointment of a
dictator (a right resting with each consul with or without the senate's involvement). However, after 202 BC, the office of dictator fell out of use (and was revived only two more times) and was replaced with the ''
senatus consultum ultimum'' ("ultimate decree of the senate"), a senatorial decree that authorised the consuls to employ any means necessary to solve the crisis.
[Abbott, 240]
While senate meetings could take place either inside or outside the formal boundary of the city (the ''
pomerium''), no meeting could take place more than a mile (in the Roman system of measurement, now approx. 1.48 km) outside it.
[Byrd, 34] The senate operated while under various religious restrictions. For example, before any meeting could begin, a sacrifice to the gods was made, and a search for divine omens (the ''
auspices'') was taken.
[Lintott, 72] The senate was only allowed to assemble in places dedicated to the gods.
Meetings usually began at dawn, and a
magistrate
The term magistrate is used in a variety of systems of governments and laws to refer to a civilian officer who administers the law. In ancient Rome, a '' magistratus'' was one of the highest ranking government officers, and possessed both judi ...
who wished to summon the senate had to issue a compulsory order.
[Lintott, 75] The senate meetings were public
and directed by a presiding magistrate (usually a
consul).
While in session, the senate had the power to act on its own, and even against the will of the presiding magistrate if it wished. The presiding magistrate began each meeting with a speech,
[Lintott, 78] then referred an issue to the senators, who would discuss it in order of seniority.
Senators had several other ways in which they could influence (or frustrate) a presiding magistrate. For example, every senator was permitted to speak before a vote could be held, and since all meetings had to end by nightfall,
a dedicated group or even a single senator could talk a proposal to death (a
filibuster or ''diem consumere'').
When it was time to call a vote, the presiding magistrate could bring up whatever proposals he wished, and every vote was between a proposal and its negative.
[Lintott, 83]
Despite dictators holding nominal power, the senate could
veto any of the dictator's decisions. At any point before a motion passed, the proposed motion could be vetoed, usually by a
tribune. If there was no veto, and the matter was of minor importance, it could be put to either a voice vote or a show of hands. If there was no veto and no obvious majority, and the matter was of a significant nature, there was usually a physical division of the house,
with senators voting by taking a place on either side of the chamber.
Senate membership was controlled by the
censors. By the time of
Augustus, ownership of property worth at least one million sesterces was required for membership. The ethical requirements of senators were significant. In contrast to members of the
Equestrian order, senators could not engage in banking or any form of public contract. They could not own a ship that was large enough to participate in foreign commerce,
they could not leave Italy without permission from the rest of the senate and they were not paid a salary. Election to magisterial office resulted in automatic senate membership.
[Byrd, 36]
Senate of the Roman Empire
After the fall of the
Roman Republic
The Roman Republic ( ) was the era of Ancient Rome, classical Roman civilisation beginning with Overthrow of the Roman monarchy, the overthrow of the Roman Kingdom (traditionally dated to 509 BC) and ending in 27 BC with the establis ...
, the constitutional balance of power shifted from the Roman senate to the
Roman emperor. Though retaining its legal position as under the republic, in practice the actual authority of the imperial senate was negligible, and the emperor held the true power in the state. As such, membership in the senate came to be sought after by individuals seeking prestige and social standing, rather than actual authority.
During the reigns of the first emperors, legislative, judicial, and electoral powers were all transferred from the
Roman assemblies to the senate. However, since the emperor held control over the senate, the senate acted as a vehicle through which he exercised his autocratic powers.

The first emperor,
Augustus, reduced the size of the senate from 900 members to 600, even though there were only about 100 to 200 active senators at one time. After this point, the size of the senate was never again drastically altered. Under the empire, as was the case during the late republic, one could become a senator by being elected ''
quaestor'' (a magistrate with financial duties), but only if one were already of senatorial rank.
[Abbott, 381] In addition to quaestors, elected officials holding a range of senior positions were routinely granted senatorial rank by virtue of the offices that they held.
If an individual was not of senatorial rank, there were two ways for him to become a senator. Under the first method, the emperor manually granted that individual the authority to stand for election to the quaestorship,
while under the second method, the emperor appointed that individual to the senate by issuing a decree.
[Abbott, 382] Under the empire, the power that the emperor held over the senate was absolute.
[Abbott, 385]
The two consuls were a part of the senate, but had more power than the senators. During senate meetings, the emperor sat between the two consuls,
[Abbott, 383] and usually acted as the presiding officer. Senators of the early empire could ask extraneous questions or request that a certain action be taken by the senate. Higher ranking senators spoke before those of lower rank, although the emperor could speak at any time.
Besides the emperor, consuls and praetors could also preside over the senate. Since no senator could stand for election to a magisterial office without the emperor's approval, senators usually did not vote against bills that had been presented by the emperor. If a senator disapproved of a bill, he usually showed his disapproval by not attending the senate meeting on the day that the bill was to be voted on.
[Abbott, 384]
While the
Roman assemblies continued to meet after the founding of the empire, their powers were all transferred to the senate, and so senatorial decrees (''senatus consulta'') acquired the full force of law.
The legislative powers of the imperial senate were principally of a financial and an administrative nature, although the senate did retain a range of powers over the provinces.
During the early Roman Empire, all judicial powers that had been held by the Roman assemblies were also transferred to the senate. For example, the senate now held jurisdiction over criminal trials. In these cases, a consul presided, the senators constituted the jury, and the verdict was handed down in the form of a decree (''senatus consultum''),
[Abbott, 386] and, while a verdict could not be appealed, the emperor could pardon a convicted individual through a veto. The emperor
Tiberius transferred all electoral powers from the assemblies to the senate,
and, while theoretically the senate elected new magistrates, the approval of the emperor was always needed before an election could be finalized.
Around 300 AD, the emperor
Diocletian enacted a series of constitutional reforms. In one such reform, he asserted the right of the emperor to take power without the theoretical consent of the senate, thus depriving the senate of its status as the ultimate repository of supreme power. Diocletian's reforms also ended whatever illusion had remained that the senate had independent legislative, judicial, or electoral powers. The senate did, however, retain its legislative powers over public games in Rome, and over the senatorial order.
The senate also retained the power to try treason cases, and to elect some magistrates, but only with the permission of the emperor. In the final years of the western empire, the senate would sometimes try to appoint their own emperor, such as in the case of
Eugenius, who was later defeated by forces loyal to
Theodosius I. The senate remained the last stronghold of the traditional Roman religion in the face of the spreading Christianity, and several times attempted to facilitate the return of the
Altar of Victory (first removed by
Constantius II) to the senatorial curia.
According to the ''
Historia Augusta'' (''Elagabalus'' 4.2 and 12.3) emperor
Elagabalus had his mother or grandmother take part in Senate proceedings. "And Elagabalus was the only one of all the emperors under whom a woman attended the senate like a man, just as though she belonged to the senatorial order" (David Magie's translation). According to the same work, Elagabalus also established a women's senate called the ''senaculum'', which enacted rules to be applied to matrons regarding clothing, chariot riding, the wearing of jewelry, etc. (''Elagabalus'' 4.3 and ''Aurelian'' 49.6). Before this,
Agrippina the Younger, mother of
Nero
Nero Claudius Caesar Augustus Germanicus ( ; born Lucius Domitius Ahenobarbus; 15 December AD 37 – 9 June AD 68) was a Roman emperor and the final emperor of the Julio-Claudian dynasty, reigning from AD 54 until his ...
, had been ''listening'' to Senate proceedings, concealed behind a curtain, according to
Tacitus (''Annales'', 13.5).
Post-classical Senate
Senate in the West
After the
fall of the Western Roman Empire
The fall of the Western Roman Empire, also called the fall of the Roman Empire or the fall of Rome, was the loss of central political control in the Western Roman Empire, a process in which the Empire failed to enforce its rule, and its vast ...
, the senate continued to function under the Germanic chieftain
Odoacer, and then under
Ostrogothic rule. The authority of the senate rose considerably under barbarian leaders, who sought to protect the institution. This period was characterized by the rise of prominent Roman senatorial families, such as the
Anicii, while the senate's leader, the
princeps senatus, often served as the right hand of the barbarian leader. It is known that the senate successfully installed
Laurentius as pope in 498, despite the fact that both King
Theodoric and Emperor
Anastasius supported the other candidate,
Symmachus.
[Levillain, 907]
The peaceful coexistence of senatorial and barbarian rule continued until the Ostrogothic leader
Theodahad found himself
at war with Emperor
Justinian I
Justinian I (, ; 48214 November 565), also known as Justinian the Great, was Roman emperor from 527 to 565.
His reign was marked by the ambitious but only partly realized ''renovatio imperii'', or "restoration of the Empire". This ambition was ...
and took the senators as hostages. Then, in 552, a number of senators were slain by the Ostrogothic as revenge for the death of the Ostrogothic king,
Totila. After Rome was recaptured by the imperial (
Byzantine) army, the senate was restored, but the institution like classical Rome itself had been mortally weakened by the long war. Many senators had been killed and many of those who had fled to the east chose to remain there, thanks to favorable legislation passed by Emperor Justinian, who, however, abolished virtually all senatorial offices in Italy. The importance of the Roman senate thus declined rapidly,
[Schnurer, 339] and it likely ceased to function as an institution with any real legislative power shortly after this time.
It is not known exactly when the Roman senate disappeared in the West, but it appears to have been in the early 7th century, when Rome was under the dominion of the
Exarchate of Ravenna. Records show that in both 578 and 580, the politically-impotent senate of Rome sent envoys to Constantinople along with pleas for help against the
Lombards, who had invaded Italy ten years earlier. Later, in 593,
Pope Gregory I would give a sermon in which he bemoaned the almost complete disappearance of the senatorial order and the decline of the prestigious institution,
[Bronwen, 3. "For since the Senate has failed, the people have perished, and the sufferings and groans of the few who remain are multiplied each day. Rome, now empty, is burning!"][Cooper, 23] suggesting that by this date, the senate had officially ceased to function as a body.
[Chastagnol, 1047] Although the Gregorian register of 603 mentions the senate in reference to the acclamation of new statues of Emperor
Phocas and Empress
Leontia,
[Levillain 1047] scholars such as
Ernst Stein and
André Chastagnol have argued that this mention was likely nothing more than a ceremonial flourish.
In 630, any remnants of the senate were swept away when the
Curia Julia was converted into a church (
Sant'Adriano al Foro) by
Pope Honorius I.
[Kaegi, 196]

Subsequently, the word "senate" was used by the nobility of Rome to describe themselves as a collective class. This usage was not intended to link them institutionally with the ancient senate, but rather continued the long-standing Roman tradition that the city's nobility was equated to its senate. Occasionally in the
Early Middle Ages, the title "senator" was used by those in positions of power—for instance, it was held by
Crescentius the Younger (d. 998) and, in its feminine form (''senatrix''), by
Marozia (d. 937)—but it appears to have been regarded at that time as simply a title of nobility.
Usage of the "senator" title in a more traditional sense was revived in 1144, when the
Commune of Rome attempted to establish a new senate in opposition to the temporal power of the nobles and the
pope
The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...
; as part of this plan, the Commune constructed a new senate house (the ) on the
Capitoline Hill (apparently in the mistaken belief that this was the site of the ancient senate house). Most sources state that there were 56 senators in the revived senate, and modern historians have therefore interpreted this to indicate that there were four senators for each of the fourteen
''regiones'' of Rome. These senators elected as their leader
Giordano Pierleoni, son of the Roman consul
Pier Leoni, with the title
patrician, since the term ''
consul'' had been deprecated as a noble styling.
The Commune came under constant pressure from the papacy and the
holy Roman emperor during the second half of the twelfth century. From 1192 onward, the popes succeeded in reducing the 56-strong senate down to a single individual, styled ''
Summus Senator'', who subsequently became the head of the civil government of Rome under the pope's aegis. Although the 56-member senate would be restored soon thereafter in 1197, the institution would come to be composed largely of nobles.
Senate in the East
The senate continued to exist in Constantinople, although it evolved into an institution that differed in some fundamental forms from its predecessor. Designated in Greek as ''synkletos'', or assembly, the Senate of Constantinople was made up of all current or former holders of senior ranks and official positions, plus their descendants. At its height during the 6th and 7th centuries, the Senate represented the collective wealth and power of the Empire, on occasion nominating and dominating individual emperors.
In the second half of the 10th century a new office, ''
proedros'' (), was created as head of the senate by Emperor
Nicephorus Phocas. Up to the mid-11th century, only
eunuchs could become proedros, but later this restriction was lifted and several proedri could be appointed, of which the senior proedrus, or ''protoproedrus'' (), served as the head of the senate. There were two types of meetings practised: ''silentium'', in which only magistrates currently in office participated and ''conventus'', in which all syncletics (, senators) could participate. The Senate in Constantinople existed until at least the beginning of the 13th century, its last known act being the election of
Nicholas Kanabos as emperor in 1204 during the
Fourth Crusade.
[Phillips, 222–226.]
See also
References
Bibliography
Primary sources
Cicero, Marcus Tullius ''De Re Publica'', Book Two* Cicero, Marcus Tullius (1841). ''The Political Works of Marcus Tullius Cicero: Comprising his Treatise on the Commonwealth; and his Treatise on the Laws. Translated from the original, with Dissertations and Notes in Two Volumes''. By Francis Barham, Esq. London: Edmund Spettigue. Vol. 1.
*
Livy, ''
Ab urbe condita
''Ab urbe condita'' (; 'from the founding of Rome, founding of the City'), or (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, 753 BC, the traditional founding of Rome. It is ...
''
* Polybius (1823). ''The General History of Polybius: Translated from the Greek''. By
James Hampton. Oxford: Printed by W. Baxter. Fifth Edition, Vol 2.
Polybius, ''Rome at the End of the Punic Wars: An Analysis of the Roman Government''
Secondary sources
* Abbott, Frank Frost (1901). ''A History and Description of Roman Political Institutions''. Elibron Classics, .
*
* Brewer, E. Cobham;
' (1898).
*
* Byrd, Robert (1995). ''The Senate of the Roman Republic''. U.S. Government Printing Office, Senate Document 103–23.
*
*
*
*
*
Hooke, Nathaniel; ''The Roman History, from the Building of Rome to the Ruin of the Commonwealth'', F. Rivington (Rome). Original in New York Public Library
*
*
*
Lintott, Andrew (1999). ''The Constitution of the Roman Republic''. Oxford University Press ().
*
*
*
*
*
* Taylor, Lily Ross (1966). ''Roman Voting Assemblies: From the Hannibalic War to the Dictatorship of Caesar''. The University of Michigan Press ().
* Schnurer, Gustov (1956). ''Church And Culture in the Middle Ages 350–814''. Kessinger Publishing ().
* Wood, Reverend James, ''The Nuttall Encyclopædia'' (1907) – a work now in public domain.
Further reading
* Cameron, A. ''The Later Roman Empire'', (Fontana Press, 1993).
* Crawford, M. ''The Roman Republic'', (Fontana Press, 1978).
*
Eck, Werner. ''Monument und Inschrift. Gesammelte Aufsätze zur senatorischen Repräsentation in der Kaiserzeit'' (Berlin/New York: W. de Gruyter, 2010).
*
Gruen, Erich, ''The Last Generation of the Roman Republic'' (U California Press, 1974).
* Hoеlkeskamp, Karl-Joachim, ''Senatus populusque Romanus. Die politische Kultur der Republik – Dimensionen und Deutungen'' (Stuttgart: Franz Steiner Verlag, 2004).
*
Ihne, Wilhelm. ''Researches into the History of the Roman Constitution''. William Pickering. 1853.
* Johnston, Harold Whetstone. ''Orations and Letters of Cicero: With Historical Introduction, An Outline of the Roman Constitution, Notes, Vocabulary and Index''. Scott, Foresman and Company. 1891.
* Krieckhaus, Andreas, ''Senatorische Familien und ihre patriae (1./2. Jahrhundert n. Chr.)'' (Hamburg: Verlag Dr. Kovac, 2006) (Studien zur Geschichtesforschung des Altertums, 14).
*
Millar, Fergus, ''The Emperor in the Roman World'', (London, Duckworth, 1977, 1992).
*
Mommsen, Theodor. ''Roman Constitutional Law''. 1871–1888
* Talbert, Richard A. ''The Senate of Imperial Rome'' (Princeton, Princeton University Press, 1984).
* Tighe, Ambrose. ''The Development of the Roman Constitution''. D. Apple & Co. 1886.
* Von Fritz, Kurt. ''The Theory of the Mixed Constitution in Antiquity''. Columbia University Press, New York. 1975.
{{Authority control
603 disestablishments
7th-century disestablishments in the Byzantine Empire
8th-century BC establishments in Italy
Government of the Roman Kingdom
Government of the Roman Empire
Government of the Roman Republic
Historical legislatures