Gaius Sempronius Tuditanus

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Gaius Sempronius Tuditanus was a politician and historian of the Roman Republic. He was consul in 129 BC.


Gaius Sempronius Tuditanus was a member of the plebeian gens Sempronia. His father had the same name and was senator and in 146 BC member of a commission of ten men who had to reorganize the political conditions in Greece.[1] The Roman orator and politician Cicero confused several times the younger Tuditanus with his father and was informed of his mistake by his friend Titus Pomponius Atticus in May 45 BC.

Probably the younger Tuditanus is first attested in 146 BC as officer of Lucius Mummius Achaicus in his war in Greece.[2] In 145 BC Tuditanus was Quaestor.[3] Probably because he was an adherent of the Scipiones he could pass the curule offices within the legally allowed periods without any problems.[4] In 132 BC he was Praetor.[5]

Tuditanus achieved the peak of his career in 129 BC when he became consul together with Manius Aquillius.[6] He had to govern the province Italy and was ordered by a resolution of the senate to decide on the legitimacy of the accusations of dispossessed Roman allies whose estates had been annexed by the Gracchian commission for the allocation of fields. But Tuditanus did not want to fulfill his task. Instead he went to Illyria, allegedly because of an imminent war. In this way he also prevented the allocation of additional fields.[7]

At the beginning Tuditanus’ campaign against the people of the Iapodes was not successful. But with the support of his militarily-experienced tribune Decimus Junius Brutus Callaicus he finally could gain a decisive victory.[8] Therefore he obtained a triumph over the beaten tribe. He immortalized his victories over the Iapodes and the Histri by an inscription of a statue – which is partly preserved by Pliny the Elder[9] – and also by a dedication to the river god Timavus in Aquileia (perhaps identical with the statue), which bore a victory inscription in Saturnians and of which were found two fragments in 1906.[10] Probably the Roman poet Hostius celebrated his deeds in the poem Bellum Histricum.

Nothing is known about the further life of Tuditanus.


Tuditanus was also an author but only a few fragments of his works have been preserved. Cicero emphasized his elegant style.[11] In the internal Roman power struggles Tuditanus belonged to the Optimates and wrote a tendentious treatise on Roman constitutional law (libri magistratuum) in at least 13 books for the political support of his party.[12] On the other side Marcus Junius Congus Gracchanus was the author of a similar work De postetatibus in at least seven books that served for the purposes of the party of the Gracchi. These both works were the earliest of their kind in the Roman literature. The libri magistratuum dealt with the intercalation, the appointment of the Plebeian Tribunes, the nundinae (market and feast days of the old Roman calendar) etc.

Because some quotations (e. g. about the original inhabitants of Latium called Aborigines, about the discovery of books, that allegedly belonged to the legendary Roman king Numa Pompilius, etc.) do not seem to fit into a work about constitutional law, some scholars attribute to Tuditanus another work dealing with the Roman history from the beginnings to the 2nd century BC.[13]

It was probably the Roman universal scholar Marcus Terentius Varro who found out that Tuditanus used the annalists Cato the Elder and Lucius Cassius Hemina as sources for his works and besides that his account corresponded with that given by his contemporary Lucius Calpurnius Piso Frugi, but differed (because of the above-mentioned) from that by Junius Gracchanus. And it was again Varro who delivered the most preserved quotations of Tuditanus by later authors (Dionysius of Halicarnassus, Pliny the Elder, Macrobius Ambrosius Theodosius). But two quotations by Aulus Gellius (Attic Nights 7.4.1 and 13.15.4) go back to the historian Quintus Aelius Tubero (whose son of the same name was consul in 11 BC) and the augur Messalla respectively.[14]

See also[edit]


  • H. Peter, Historicorum Romanorum Reliquiae (HRR) 1, p. 143-147.


  1. ^ Base of a statue in Olympia, Greece: Inscriptions of Olympia, No. 323; Cicero, ad Atticum 13.4.1; 13.6.4; 13.30.2; 13.32.3
  2. ^ Cicero, ad Atticum 13.33.3
  3. ^ Cicero, ad Atticum 13.4.1
  4. ^ Cicero, ad Atticum 13.32.3
  5. ^ Cicero, ad Atticum 13.30.2; 13.32.3
  6. ^ Cicero, ad Quintum fratrem 3.5.1; de re publica 1.14; de natura deorum 2.14; Velleius, Roman history 2.4.5
  7. ^ Appian, Civil wars 1.80
  8. ^ Livy, periochae 59; Appian, Illyrica 10
  9. ^ Pliny the Elder, Natural History 3.129
  10. ^ Dessau 8885 = CIL I² 652
  11. ^ Cicero, Brutus 95.
  12. ^ Macrobius, Saturnalia 1.13.21; Aulus Gellius, Attic Nights 13.15.4
  13. ^ Sempronius [I 22]. In: Der Neue Pauly, vol. 11, col. 396.
  14. ^ Friedrich Münzer, Realencyclopädie, vol. IIA 2, col. 1442-1443


Preceded by
Lucius Cornelius Lentulus and Marcus Perperna
(Suffect: Appius Claudius Pulcher)
Consul of the Roman Republic
with Manius Aquillius
129 BC
Succeeded by
Titus Annius Rufus and Gnaeus Octavius