In this episode of 'The Rest Is History,' the hosts explore the creation and significance of 'La Marseillaise,' the national anthem of France. Written in 1792 by Roger de Lisle, the song emerged as a powerful rallying cry during the French Revolution, reflecting the urgency and fervor of the time. It became popular among the Fédérés and highlighted the revolutionary spirit, civic values, and a rejection of monarchy. The episode also discusses the Roman influences on revolutionary leaders, the cultural cross-pollination between the elite and the working class, and how symbols like the Bonnet Rouge encapsulated the ideals of liberty and identity during this pivotal moment in history.