In 1775, as the American Colonies began their revolt against the British Crown, General Washington's biggest battle would be against disease not redcoats.

Sources:

https://www.mentalfloss.com/article/623428/george-washington-won-american-revolution-with-smallpox-vaccine

https://www.history.com/news/smallpox-george-washington-revolutionary-war

https://www.history.com/news/the-rise-and-fall-of-smallpox?li_source=LI&li_medium=m2m-rcw-history

Music: www.purple-planet.com