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
U.S. Route 60 in Illinois U.S. Route 60 in Illinois U.S. Route 60 and U.S. Route 62 (US 60/US 62) run for a very short distance within the state of Illinois. They follow the same road for their entire existence within the state. They run around Fort Defiance in Cairo. It runs from the Cairo Mississippi River Bridge over the Mississippi River east to the Cairo Ohio River Bridge over the Ohio River; the Ohio River Bridge also carries US 51. The bridges cross the two rivers just north of the mouth of the Ohio. US 60/US 62 enter Illinois via the Cairo Mississippi River