Catilinarian conspiracy
The Catilinarian conspiracy, sometimes Second Catilinarian conspiracy, was an attempted coup d'état by Lucius Sergius Catilina (Catiline) to overthrow the Roman consuls of 63 BC – Marcus Tullius Cicero and Gaius Antonius Hybrida – and forcibly assume control of the state in their stead. The conspiracy was formed after Catiline's defeat in the consular elections for 62, held in early autumn 63.