The Imperium of Cn. Calpurnius Piso*
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THE IMPERIUM OF CN. CALPURNIUS PISO* The First Catilinarian Conspiracy has long been the object of scholarly endeavour thanks both to the unreliability of our sources and the ingenuity of scholars in remedying this lacuna. Although valuable studies have served to weed out some of the more extravagant fabrications1 an accurate under- standing of the events remains elusive. Several important aspects of the alleged conspiracy have not been adequately explained and it is my inten- tion to consider the appointment of the conspirator Cn. Calpurnius Piso as Quaestor ProPraetore and governor of the province of Hispania Citerior. It is my contention that Piso has been the victim of posthumous denigration and that his appointment need not be viewed either in the context of the ‘con- spiracy’ of 66/65 BC or the anti-Pompeian politics of the mid to late 60s BC. A lengthy excursus on the events of the years 66-65 BC would be super- fluous, although a brief outline of the background may help us to view Piso’s position in its proper context. In the course of the electoral shenanigans of the summer of 66 BC, the consules designati P. Autronius Paetus and P. Cornelius Sulla were found guilty of electoral bribery, fresh elections were held in the autumn and their accusers L. Manlius Torquatus and L. Aurelius Cotta were returned victorious (Asc. 75; Dio Cass. XXXVI 44.3). The summer also saw the return to Rome of the governor of Africa, L. Sergius Catilina, to face accusations of maladministration (Asc. 85). Seeking to escape prosecu- tion Catiline offered himself for election, only to have his candidacy rejected by the presiding consul, L. Volcatius Tullus2. The reasons for * Journal sigla in the notes are those of L’Année Philologique. 1 Cf. R. SEAGER, The First Catilinarian Conspiracy, Historia 13 (1964), p. 338-347; E.S. GRUEN, Notes on the ‘First Catilinarian Conspiracy’, CPh 64 (1969), p. 20-24. Pre- vious studies have focused almost exclusively on Piso’s relationship to the events of the so-called ‘First Catilinarian Conspiracy’, neglecting his role in Spain. A notable exception to this is the study by L. AMELA VALVERDE, El asesinato de Cn. Calpurnio Pisón, Gerión 20 (2002), p. 255-279; however, Amela Valverde persists in placing Piso’s appointment in the context of Crassus’ anti-Pompeian stance. I feel, therefore, that now would be an appropriate time to reconsider the evidence for Piso’s appointment and to place his com- mand in the context of the Spanish provinces in the period prior to Pompey’s appointment in 55 BC. 2 Sallust, Cat. 18.2, is clear that Catiline was a candidate only at the second consular elections, cf. G. SUMNER, The Consular Elections of 66 B.C., Phoenix 19 (1965), 116 B. LOWE Volcatius’ decision have been disputed: it is clear that Catiline was not charged with repetundae until the following year and the mere threat of prosecution did not provide grounds for the quashing of his candidacy3. One need not posit a political motivation for a decision that evidently entailed some legal consideration (Asc. 89) and may have been directed towards securing a re-run of the earlier elections4. According to Cicero the disgruntled Catiline then joined with a young aristocrat, Cn. Calpurnius Piso, in a plot to murder the consuls and massacre the Senate (Asc. 92; Cic., Mur. 81). That Autronius and Sulla were party to the plot seems likely (Sall., Cat. 18; Cic., Sull. 10; Dio Cass. XXXVI 44.3) and their intention was evidently to murder the consuls on the first of Janu- ary 65 BC (Sall., Cat. 18)5. As has long been recognised, the events surrounding the conspiracy are hopelessly unclear and I have little to add to the wealth of scholarly analy- ses though we should be wary of placing too much emphasis on the con- text of Crassus’ rivalry towards Pompey6. Rather I wish to turn our atten- tion to a confused and overlooked footnote to the ‘Conspiracy’, namely p. 226-231; J.T. RAMSEY, Cicero, pro Sulla 68 and Catiline’s Candidacy in 66 B.C., HSPh 86 (1982), p. 121-131. This view has recently been doubted, cf. F.X. RYAN, The Consular Candidacy of Catiline in 66, MH 52 (1995), p. 45-48. 3 E.G. HARDY, The Catilinarian Conspiracy in its Context: a Re-Study of the Evidence, JRS 7 (1917), p. 157-158, has shown that Sallust (Cat. 18.2) is incorrect in attributing Catiline’s rejection to his impending trial for extortion. E.S. GRUEN, art. cit. (n. 1), p. 24, contends that Volcatius’ decision was a political one reflected in his Pompeian background and Catiline’s association with senators hostile to Pompey: Cn. Calpurnius Piso and Q. Lutatius Catulus. On Volcatius’ Pompeian sympathies, cf. Cic., Fam. I 1.3, I 2.1-2, I 4.1. Hardy’s explanation is coloured by the contention that Catiline was the tool of Cras- sus and Caesar, a connection that has been thrown into doubt by R. SEAGER, art. cit. (n. 1), who stresses Catiline’s Pompeian connections. 4 G. SUMNER, art. cit. (n. 2), p. 229, points to the election of Curio to the tribunate in 51 BC as evidence that no legal grounds existed for the rejection of Catiline’s candidacy. By rejecting Catiline, Volcatius was ensuring the election of the ‘Pompeian’ candidates: Torquatus and Cotta. For the view that Autronius and Sulla were Crassus’ men, cf. L.R. TAYLOR, Party Politics in the Age of Caesar, Berkeley 1949, p. 224 n. 23. This con- nection cannot now be maintained: E.S. GRUEN, art. cit. (n. 1), p. 22. 5 The association of the conspiracy referred to by Asconius with that of Sallust on Jan- uary 1 is uncertain as Asconius implies that it took place a year before the delivery of Cicero’s In Toga Candida at the consular elections in the summer of 64 BC. Cic., Sull. 6, includes L. Vargunteius amongst the conspirators. Vargunteius was one of the Catilinar- ian conspirators in 63 BC, cf. Sall., Cat. 17.3, 28.1, 47.3. That he had connections with Crassus may be confirmed by the appearance of a Vargunteius on the staff of Crassus at Carrhae in 53 BC (Plut., Crass. 28.1-2; Oros. VI 13.3). 6 Suet., Iul. 9, records an anti-Caesarian tradition that implicates Crassus and Caesar in the conspiracy and is echoed by Asconius (83) as being derived from Cicero’s THE IMPERIUM OF CN. CALPURNIUS PISO 117 the dispatch of Catiline’s associate, Cn. Calpurnius Piso to the gover- norship of Hispania Citerior. According to Sallust (Cat. 18.5) the intention of the conspirators was to send Piso to Spain following the assassination of the consuls on January the first. Suetonius (Iul. 9) associates Piso with Caesar in a plot to raise rebellions in Spain and Cisalpine Gaul. That Piso was sent to Spain is confirmed by epigraphic evidence that records his appointment as ‘Quaestor pro pr. ex s. c. provinciam Hispaniam Citeriorem’ (ILS 875), however, it is only in Sallust that we find it associated with the conspir- acy. Suetonius implies that it was distinct from the plot to murder the consuls formulated by Crassus, Caesar, Autronius and Sulla; so too Asco- nius (92) who affirms that Piso was ‘in Hispaniam missus a senatu’ and not at the behest of the conspirators7. As it was, the conspiracy of January the first came to nothing8. Piso, however, was sent to Spain to take up his governorship. That Piso should be rewarded for his part in the conspiracy by the grant of ProPraetorian posthumous De consiliis suis, cf. P.A. BRUNT, Three Passages from Asconius, CR 7 (1957), p. 193-195. The earlier view that Catiline acted as agent for Crassus and Caesar against Pompeian interests is found in E.T. SALMON, Catiline, Crassus and Caesar, AJPh 56 (1935), p. 302-316; E.G. HARDY, art. cit.(n. 3). A more moderate version is found in A.M. WARD, Cicero’s Fight against Crassus and Caesar in 65 and 63 B.C., Historia 21 (1972), p. 244-258, who although adducing their electoral support for Catiline does not associate them with the Conspiracy. On the earlier literature, cf. H. FRISCH, The First Catilinarian Conspiracy: a Study in Historical Conjecture, C&M 9 (1948), p. 10-36. This view has been substantially refuted and now receives little currency: cf. E.S. GRUEN, art. cit. (n. 1); R. SYME, Sallust, Berkeley 1964, p. 88-102; C.E. STEVENS, The ‘Plotting’ of B.C. 66/65, Latomus 22 (1963), p. 412-427. R. SEAGER, art. cit. (n. 1), has shown con- nections between Catiline and Pompey and there seems little need to allude to Pompeian and anti-Pompeian agendas in an affair that better evidences the complexities of political alliances and the political rivalries of the nobiles. Crassus’ ties to the Senatorial aristoc- racy have been shown by E.J. PARRISH, Crassus’ New Friends and Pompey’s Return, Phoenix 27 (1973), p. 357-380. 7 Dio’s account (XXXVI 44.3) of Piso’s appointment follows that of Suetonius and dis- sociates it from the earlier conspiracy. 8 Asconius’ identification of Catiline and Piso with the magni homines Cicero said were breaking up the trial of Manilius (66) serves only to add to the confusion. The claim that the alleged conspiracy of 66/65 BC was, in fact, associated with the political context of the trial of Manilius has been taken up by a variety of scholars, cf. E.J.