Fort Sackville (Vincennes, Indiana)
Vincennes · Indiana · American Revolutionary War

History & Significance
Established in 1766 by British Lieutenant John Ramsey, Fort Sackville commanded the strategic Wabash River crossing in what is now Vincennes, Indiana. British Lieutenant Governor Edward Abbott began construction in 1777, succeeded by Lieutenant Governor Henry Hamilton, who arrived in late 1778 with 90 British Regulars and 200 Native allies.
The fort was roughly square with blockhouses on the northeast and southwest corners, each mounting a three-pound cannon and made of thick timbers rendering them musket-proof. The post's central role emerged during the Revolutionary War as Fort Sackville commanded the American frontier, allowing Hamilton to launch deep raids into the Kentucky frontier and burn settlements.
On February 25, 1779, after a grueling 180-mile march from Kaskaskia through flooded terrain, George Rogers Clark surprised the fort and forced Hamilton's surrender. Clark's men raised the American flag over the fort and renamed it Fort Patrick Henry.
In spring 1780, Virginia troops withdrew from the Vincennes fort, leaving it in the control of local militia. The fort subsequently deteriorated and was eventually abandoned, with its ruins ultimately replaced by later American fortifications at Vincennes.
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Sources
- https://en.wikipedia.org/wiki/Siege_of_Fort_Vincennes
- https://www.battlefields.org/learn/revolutionary-war/battles/vincennes
- https://www.nps.gov/places/fort-sackville.htm
- https://en.wikipedia.org/wiki/Forts_of_Vincennes,_Indiana
- https://warfarehistorynetwork.com/article/siege-of-fort-sackville-and-george-rogers-clark/
- https://www.nps.gov/articles/getaway-gero.htm
- https://www.battlefields.org/learn/biographies/george-rogers-clark