Friedrich Wilhelm von Steuben was a Prussian military officer who played a crucial role in the American Revolutionary War. Born in 1730, he served in the {Prussian Army} before emigrating to the {American colonies} in 1777. Von Steuben is best known for training the Continental Army at {Valley Forge}, where he introduced essential military drills and discipline. His expertise helped transform the ragtag group of soldiers into a more effective fighting force. Von Steuben's efforts significantly contributed to the American victory against the {British} and earned him recognition as one of the key figures in the establishment of the United States military.