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-Louis (1793) and two squadrons of the "Szekler" Hussar Regiment. Siege of Fort-Louis (1793) The Siege of Fort-Louis (14 October – 14 November 1793) saw a force composed of Habsburg Austrians, Hessians and Bavarians led by Franz von Lauer lay siege to Fort-Louis which was held by a Republican French garrison under Michel Durand. The French capitulated after a defense lasting exactly one month. The siege occurred during the War of the First Coalition, part of the French Revolutionary Wars. In 1793 the fortress was sited on an island in the Rhine River, but today Fort-Louis is a village in the Bas-Rhin