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
Fort Defiance (Illinois) of Natural Resources assumed control of Fort Defiance on July 31, 2014 with the goal of returning it to state park status. The park is a satellite of Horseshoe Lake State Fish and Wildlife Area. On his trek up the Mississippi, Frenchman Pierre Laclède was among the first Europeans to land on the southern tip of what is now Illinois. Fort Defiance (Illinois) Fort Defiance, known as Camp Defiance during the American Civil War, is a former military fortification located at the confluence of the Ohio and Mississippi rivers near Cairo in Alexander County, Illinois. The strategic significance of the