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.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