The Continental Army spent its famous winter encampment from 1777 to 1778 at Valley Forge.
Valley Forge was located about 18 miles northwest of Philadelphia, Pennsylvania. George Washington’s army arrived there in December 1777 after British forces captured Philadelphia. The site offered a defensible position between the British army and the American countryside, but the soldiers endured cold weather, hunger, disease, and shortages.
The army remained at Valley Forge until June 1778. Thousands of soldiers died during the wider winter encampment period, mainly from illness and inadequate food and clothing rather than battlefield wounds. Despite the suffering, the army emerged more organized and disciplined.
Prussian officer Friedrich Wilhelm von Steuben trained troops in drilling, formations, and battlefield procedures. His work helped standardize practices across units from different colonies. Valley Forge is therefore remembered not simply as a symbol of hardship, but also as a period of military reform. It was not a battle, and no major engagement occurred there.