As commander in Pannonia he had proclaimed for himself after the assassination of Helvius Pertinax.
At Lugdunum he used his legions to full effect and beheaded his last rival. Earlier, he led a campaign through Cyzicus, Nicaea, and Issus before storming Byzantium and sacking it. By that time his southern rival, Pescennius Niger had already been killed. Three years later, he finished off Clodius Albinus and was the official emperor. As commander in Pannonia he had proclaimed for himself after the assassination of Helvius Pertinax. FTP, name this father of Geta and Caracalla, who became Roman emperor in 193 and began his namesake dynasty.
At Lugdunum he used his legions to full effect and beheaded his last rival.
{Septimus Severus}