The Raid on Schoharie Valley in 1780 occurred during the American Revolutionary War, when British forces and their Native American allies sought to strike at colonial settlements in New York. The Schoharie Valley, located in Schoharie County, had become a strategic target as the war intensified in the northern colonies. The Old Stone Fort, originally constructed as a Reformed Dutch Church in 1772, had been adapted for defensive purposes in 1777 when it was enclosed by a log stockade in anticipation of such attacks.
On October 17, 1780, a force of approximately 800 loyalists and Native Americans under the command of Sir John Johnson and Mohawk Captain Joseph Brant launched their assault on the valley. The attacking force briefly attacked the Old Stone Fort before proceeding northward toward the Mohawk Valley, suggesting the raid was part of a broader military campaign in the region. The ferocity of the attack is evidenced by the physical damage inflicted on the structure itself; a cannonball hole can still be seen in a cornice at the rear of the building, serving as a permanent reminder of the conflict.
Following the end of the Revolutionary War, the fort's military significance declined. The log stockade was removed in 1785, and the building resumed its role as a church until 1844, when it was replaced by a new Reformed Church building in the village. In 1857, the former fort was sold to the State of New York for $800 and subsequently used as an armory through the American Civil War until 1873. Thereafter, it was transferred to Schoharie County for historical preservation. The establishment of the Schoharie County Historical Society in 1888 to operate a museum at the site ensured that this important Revolutionary War landmark would be preserved and interpreted for future generations.
The American Revolutionary War (1775–1783) grew from colonial resistance to British taxation without parliamentary representation — a dispute that radicalized through the Stamp Act (1765), the Townshend Acts (1767), and the Boston Massacre (1770). Fighting began at Lexington and Concord in April 1775; the Continental Congress declared independence on July 4, 1776. The Continental Army under George Washington faced severe shortages of supplies and troops, enduring the brutal winter at Valley Forge (1777–1778) before French alliance and French financing turned the military balance. Major engagements included Bunker Hill (1775), Trenton (1776), Saratoga (1777) — which secured French intervention — and Yorktown (1781), where British General Cornwallis surrendered to Washington. An estimated 25,000 American soldiers died in service, from combat, disease, and captivity. The Treaty of Paris (1783) recognized American independence and ceded British territory east of the Mississippi, though it left unresolved questions about Indigenous land rights and the status of Loyalists.
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