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
Siege of Fort Wayne the gate and asked if they were meeting for peace or war. Winamac replied "I don't know what to tell you, but you know that Fort Mackinac is taken, Detroit is in the hands of the British, Fort Dearborn has been taken, and you must expect to fall next, probably in a few days." Morning 5 September, the siege began when Chief Winamac's forces attacked two soldiers returning from an outhouse. The Native Americans assaulted the fort from the east side and burned the homes of the surrounding village. The Indians constructed two wooden cannons and were able to trick