Trebonius

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Gaius Trebonius (c. 92 BC – January 43 BC) was a military commander and politician of the late Roman Republic, who became Suffect Consul in 45 BC. A trusted associate of Julius Caesar, he was later among those who instigated the plot to assassinate the Dictator.

Early career[edit]

Born c. 92 BC,[1] Trebonius' father was an eques,[2] but had not been a magistrate, and the son was considered a Novus Homo ("New Man"), one of several in Caesar's circle.[3] He served as Quaestor around 60 BC,[4] during which he attempted to prevent the adoption of Publius Clodius Pulcher into a plebeian family, against the wishes of the Triumvirs.[5] However, by the time Trebonius was elected Plebeian Tribune in 55 BC, he had become one of their supporters.

During that year, Trebonius proposed a Lex Trebonia to the Tribal Assembly that the consuls Pompey and Marcus Licinius Crassus receive the provinces of Syria, Hispania Citerior and Hispania Ulterior. Further, that their commands would last for five years, and that the proconsuls would possess the right of making war or peace at their discretion. Cato the Younger, a noted opponent of Pompey, spoke against the bill, attempting to filibuster the motion, causing Trebonius to firstly expel him from the Forum, before ordering him to be taken to prison. However, the large crowd which accompanied Cato caused Trebonius to change his mind and order his release.[6] Eventually the law was passed, with the five-year commands to Pompey, who received the two Spanish provinces, and Marcus Licinius Crassus, who obtained Syria.[7]

Caesar’s legate[edit]

As a reward for his service to the Triumvirs, in 54 BC, he was made one of Julius Caesar’s legates, with whom he served for the next five years during Caesar’s campaigns in Gaul, with Caesar commenting favourably on his performance during those years. In 54 BC he accompanied Caesar during his second expedition to Britain, where he was placed in charge of three legions who successfully defeated a concerted attack by the forces of Cassivellaunus.[8] Upon Caesar’s return to Gaul, Trebonius, along with one legion, was stationed for the winter with the Belgae at Samarobriva.[9] From here he accompanied Caesar in coming to the aid of Quintus Cicero who was besieged during the beginning of Ambiorix's revolt against Roman control of Gaul.[10][11]

In 53 BC, Trebonius was given a special command against the Eburones,[12] specifically to harass the area in the vicinity of Huy.[13] After the defeat of Ambiorix, he continued to serve Caesar; in 50 BC he was placed in charge of the winter quarters in Belgic Gaul, in command of four legions while Caesar was in Ravenna, preparing to confront Pompey and his enemies in the Senate.[14][15] When Caesar heard that the consul Gaius Claudius Marcellus Minor had asked Pompey to defend the state against Caesar, he ordered Trebonius on October 20, 50 BC to take three legions and move to Matisco, where he was to wait for further instructions.[16] These arrived in April 49 BC, where Caesar instructed him to travel down to Massilia to take command of three newly recruited legions from Northern Italy and begin the siege of Massilia.[17] Arriving around April 3, 49 BC, Trebonius began preparing for the siege under Caesar’s eye, before leaving Trebonius on April 14 to conduct the land assaults, while Decimus Junius Brutus Albinus command the naval forces.[18] Before he commenced the siege, Trebonius collected labourers and cattle from the Province, ordered timber and wood suitable for wattle-work to be brought up, and then proceeded to construct the principal terrace.[19]

The siege lasted from April 19 through to September 6, as Trebonius erected a contravallation to blockade the town by land. He also constructed terraces to directly assault the walls, and used battering rams and mines to try to breach the walls.[20] Eventually, in early July, Trebonius’s men broke through the wall, and the Massilians approached Trebonius and begged him to stop operations until the arrival of Caesar, where they would agree to capitulate to him. Trebonius, after conferring with his fellow officers, agreed to suspend the attack, as Caesar had told him under no circumstances was he to storm the town.[21] This led to his soldiers becoming disgruntled, as they were hoping to sack the town and they blamed Trebonius for halting the attack, and they were only kept under control with great difficulty.[22] Then in late August, Trebonius was surprised when the Massilians burst out of the town, took advantage of the lack of guards posted around, and destroyed the siege equipment which had breached the walls. Trebonius therefore resumed the siege, and proceeded to weaken their defences.[23] The Massilians, hearing word of Caesar’s victories in Spain, again offered to surrender, and asked Trebonius to again wait for Caesar. He agreed, although this time he insisted that the defenders should surrender their weapons, their treasure and their ships, thereby bringing the siege to an end.[24]

Later career and plotting Caesar’s assassination[edit]

Following Caesar into Italy, Trebonius was elected Urban Praetor in 48 BC, and was given the task of administering Caesar’s debt laws. In this, he had to deal with the ambitions of Marcus Caelius Rufus, the Praetor peregrinus, who had turned against Caesar as he had been hoping for the post of Urban Praetor.[25] Caesar’s debt laws robbed him of the chance clear his enormous debts, and so he was determined to obstruct Trebonius’s administration of the law and to court popularity by siding with the debtors.[26] He set up his chair next to Trebonius and brazenly declared that if anyone felt cheated by Trebonius, he would listen to their case favourably.[27] When no-one took him up on his offer, Rufus proposed instead to cancel all debts, and instigated a mob to attack Trebonius, who drove Trebonius from his tribunal. Trebonius continued to oppose Rufus’s debt relief measures, until Rufus fled Rome.[28] During that year, Trebonius also helped Cicero after Cicero’s return to Italy.[29]

At the end of the year he was given a proconsular command and sent to govern Hispania Ulterior, replacing Quintus Cassius Longinus, who was accused of mismanaging the province[30] He held this position until 46 BC, where he was confronted by rebellious legions, and the resurgence of Pompey’s forces.[31] They drove him out of his province by the summer of 46,[32] with Trebonius returning at the end of the year accompanied by Caesar. It was during this year that Trebonius approached Marcus Antonius, bringing up the notion of a plot to assassinate Caesar.[33][34] Cicero even claimed, years later, that Trebonius and Marcus Antonius conspired to send an assassin to murder Caesar in 45 BC.[35]

Caesar appointed Trebonius Suffect Consul on 1 October 45 BC,[36][37] with Trebonius actively continuing to plot against him.[38] According to Cicero, Trebonius preferred the liberty of the Roman people over his friendship for Caesar.[39] In early 44 BC, he dared to protest to Caesar for Caesar’s refusal to stand when the members of the Senate came to inform him of the honors the Senate had conferred upon him; Caesar apparently simply stared back at him arrogantly without making a comment.[40]

On March 15, 44 BC, on the day marked for the Dictator’s assassination, Trebonius was the person who kept Mark Antony outside the Senate while Caesar was being stabbed.[41] Having been nominated by Caesar for the post of Proconsul for Asia,[42][43] he immediately left for the province during 44 BC.[44] While there, he raised money and troops for Brutus and Cassius.[45] He also helped Cassius on his way to Syria later in the year.[46] Later, he attempted to fast track Publius Cornelius Dolabella in his passage through Asia by providing whatever supplies he needed, as well as refusing to open cities for Dolabella. However, Dolabella took Smyrna in Asia Minor, where he captured Trebonius in the process. In January 43 BC, Dolabella put Trebonius on trial for treason[47] before proceeding to torture him and finally killing Trebonius by beheading him.[48]

See also[edit]

Political offices
Preceded by
Gaius Julius Caesar
Suffect Consul of the Roman Republic
with Quintus Fabius Maximus
45 BC
Succeeded by
Gaius Julius Caesar and Marcus Antonius
(Suffect: Publius Cornelius Dolabella)

Sources[edit]

  • Broughton, T. Robert S., The Magistrates of the Roman Republic, Vol II (1952).
  • Bringmann, Klaus, A History of the Roman Republic (2007)
  • Holmes, T. Rice, The Roman Republic and the Founder of the Empire, Vol. II (1923)
  • Holmes, T. Rice, The Roman Republic and the Founder of the Empire, Vol. III (1923)
  • Syme, Ronald, The Roman Revolution (1939)
  • Smith, William, Dictionary of Greek and Roman Biography and Mythology, Vol III (1870).

References[edit]

  1. ^ Based upon Sulla’s reforms, where plebeians were to be at least 32 years of age for election as Quaestor.
  2. ^ Syme, pg. 95
  3. ^ Syme, pg. 94
  4. ^ Broughton, pg. 184
  5. ^ Smith, pg. 1171
  6. ^ Holmes II, pg. 87
  7. ^ Broughton, pg. 217
  8. ^ Holmes II, pg. 115
  9. ^ Holmes II, pg. 123
  10. ^ Broughton, -pg. 226
  11. ^ Holmes II, pg. 132
  12. ^ Broughton, pg.232
  13. ^ Holmes II, pg. 139
  14. ^ Broughton, pg. 253
  15. ^ Holmes II, pg. 253
  16. ^ Holmes II, pg. 255
  17. ^ Broughton, pg. 269; Holmes III, pg. 50
  18. ^ Holmes III, pg. 50
  19. ^ Holmes III, pg. 413
  20. ^ Holmes III, pgs. 80-82
  21. ^ Holmes III, pgs. 89-90
  22. ^ Holmes III, pg. 90
  23. ^ Holmes III, pgs. 91-92
  24. ^ Holmes III, pgs. 92-93
  25. ^ Holmes III, pg. 223
  26. ^ Smith, pg. 672
  27. ^ Holmes III, pgs. 223-224
  28. ^ Holmes III, pg. 224
  29. ^ Broughton, pg. 273
  30. ^ Broughton, pg. 275; Holmes III, pg. 295
  31. ^ Broughton, pg. 289
  32. ^ Holmes III, pg. 295
  33. ^ Broughton, pg. 299
  34. ^ Bringmann, pg. 272
  35. ^ Holmes III, pg. 317
  36. ^ Broughton, pg. 304
  37. ^ Holmes III, pg. 328
  38. ^ Broughton, pg. 330; Holmes III, pg. 340
  39. ^ Holmes III, pg. 341
  40. ^ Holmes III, pg. 333
  41. ^ Broughton, pg. 315; Holmes III, pg. 343
  42. ^ Bringmann, pg. 285
  43. ^ Holmes III, pg. 331
  44. ^ Syme, pg. 103
  45. ^ Smith, pg. 1172
  46. ^ Broughton, pg. 330
  47. ^ Syme, pg. 172
  48. ^ Broughton, pg. 349; Syme, pg. 172; Bringmann, pg. 291