February 19, 197 CE. Septimius Severus' victory at the Battle of Lugdunum finally establishes him as the sole ruler of the Roman Empire.You can listen ad-free in the Wondery or Amazon Music app. Or for all that and more, go to IntoHistory.comHistory Daily is a co-production of Airship and Noiser.Go to HistoryDaily.com for more history, daily.Listen to American History Tellers on the Wondery App or wherever you get your podcasts. Experience all episodes ad-free and be the first to binge the newest season. Unlock exclusive early access by joining Wondery+ in the Wondery App, Apple Podcasts or Spotify. Start your free trial today by visiting https://wondery.com/links/american-history-tellers/ now. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.