Which European military officer trained the Continental Army at Valley Forge?

Baron von Steuben trained the Continental Army at Valley Forge.

Friedrich Wilhelm von Steuben, a Prussian military officer commonly known as Baron von Steuben, arrived at Valley Forge in February 1778. George Washington appointed him inspector general of the Continental Army.

Von Steuben introduced systematic drilling, discipline, camp sanitation, and standardized battlefield procedures. He trained selected soldiers, who then taught the methods to other units, creating a wider training system rather than instructing every soldier personally.

His work helped turn a diverse force of colonial militia and Continental soldiers into a more coordinated army. The “Blue Book,” formally titled Regulations for the Order and Discipline of the Troops of the United States, later preserved many of his methods.

Von Steuben is sometimes confused with Lafayette or Rochambeau, French allies who also served the American cause but did not perform the same Valley Forge training role.