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 Augustus (December 1745) Siege of Fort Augustus (December 1745) The first siege of Fort Augustus took place in December 1745 and was part of the Jacobite rising of 1745. A force of 600 men from the recently formed Independent Highland Companies, formed to support the British-Hanoverian Government liberated the fort from the Clan Fraser after a small skirmish. The Clan Fraser had originally supported the British Government during the Jacobite rebellion of 1715–1716. However, during the rebellion of 1745–1746 a large number of them supported the Jacobite cause. Shortly after the siege of Fort Augustus, Lord Loudoun with 600 men of the Independent