In this episode, Mr. History answers the question, "What does it really mean to cross the Rubicon?"

Can also be viewed on History.com at history.com/videos/ask-history-crossing-the-rubicon#

Producer: Jaimie DeFina
Graphics: Pier de Sanctis, Rosie Nakamura, Autumn Neal, J Aaron Dullas, Nick Hoefly, Mike Grech, Elliot Lobell,

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