Siege of Yorktown What kind of impact does a battle and siege from more than 200 years ago have on the world today? Yorktown held the key to the end of the American Revolution and allowed America to become not only a sovereign nation, but also set the stage for it to become a world power, worth keeping an eye on. Inside you will read about... ✓ The Road to Yorktown ✓ Opening Moves ✓ The Troops in Motion ✓ The Battle at Sea ✓ The Calm Before the Storm ✓ The Siege Commences ✓ The Fall When Washington moved against Cornwallis, the entire world held its breath. And when surrender was offered - first to the French - things could have ended very differently. One city. One long siege in the fall of the year - would change everything.