January 10, 49 BC. A provincial governor named Julius Caesar marches his army across the Rubicon river, invading Italy and plunging the Roman Republic into Civil War.

• Support the show! Join Into History for ad-free listening and more.

History Daily is a co-production of Airship and Noiser.

Go to HistoryDaily.com for more history, daily.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.