Fort Pitt Museum Pitt, after William Pitt the Elder. As a result, in 1763 local Delawares and Shawnees took part in Pontiac's Rebellion, an effort to drive the British out of their territory. The Indians' siege of Fort Pitt began on June 22, 1763, but the fort was too strong to be taken by force. In negotiations during the siege, the commander of Fort Pitt gave two Delaware emissaries blankets that had been exposed to smallpox, in hopes of infecting the surrounding Indians and ending the siege. The effectiveness of this attempt is unclear. Outbreaks of smallpox had plagued Native Americans for years
Fort Randolph (West Virginia) to examine the land around Point Pleasant. Many other British colonists and surveyors did the same over the next few years. The American Indians of the Ohio Country, who hunted on the land south of the Ohio River, had not been consulted in the 1768 treaty. The eventual result was Dunmore's War in 1774, fought primarily between militia from Virginia and Shawnees and Mingos from the Ohio Country, led by Chief Cornstalk. The Battle of Point Pleasant, the only major battle of the war, was fought on the future site of Fort Randolph. After the battle, a small fort called