The Battle of Issus was fought in 194 between the forces of Emperor Septimus Severus and his rival, Pescennius Niger. Severus won decisively, and Niger was later killed while attempting to flee to Parthia. Events Pescennius Niger, competitor of Septimius Severus for the Roman Empire, is defeated and killed in Antioch by Severus troops. ... Emperor Septimius Severus Lucius Septimius Severus, (April 11, 146 - February 4, 211) was Roman emperor from April 9, 193 to 211. ... Pescennius Niger as emperor. ... Events Pescennius Niger, competitor of Septimius Severus for the Roman Empire, is defeated and killed in Antioch by Severus troops. ... Emperor Septimius Severus Lucius Septimius Severus, (April 11, 146 - February 4, 211) was Roman emperor from April 9, 193 to 211. ... Pescennius Niger as emperor. ...