Siege of Fort Pitt Siege of Fort Pitt The Siege of Fort Pitt took place during June and July 1763 in what is now the city of Pittsburgh, Pennsylvania, United States. The siege was a part of Pontiac's War, an effort by Native Americans to remove the British from the Ohio Country and Allegheny Plateau after they refused to honor their promises and treaties to leave voluntarily after the defeat of the French. The Native American efforts of diplomacy, and by siege, to remove the British from Fort Pitt ultimately failed. This event is best known as an early instance of biological warfare, where
Siege of Fort Wayne safety of Ohio. In September 1812, Indians from the Potawatomi and Miami tribes, led by Chief Winamac, gathered around Fort Wayne. Captain James Rhea sent letters to John Johnston and Ohio Governor Return Meigs to ask for assistance. The growing Indian threat outside the fort led Rhea to begin drinking heavily. On several occasions Rhea invited Indian delegates into the fort to discuss terms of peace with the Indians. On 4 September, Potawatomi chiefs Winamac and Wannangsea approached the fort under a flag of truce and asked to speak to Captain Rhea. Rhea, who had been drinking, met them at