Pontiac (Ottawa leader) On May 9, he laid siege to the fort, and was eventually joined by more than 900 warriors from a half-dozen tribes. While Pontiac was besieging Fort Detroit, messengers spread word of his actions. Indians made widespread attacks against British forts and Anglo-American (but not French) settlements, and at one point controlled nine of eleven British forts in the Ohio Valley. They destroyed Fort Sandusky. In July 1763, Pontiac defeated a British detachment at the Battle of Bloody Run, but he was unable to capture the fort. In October, he lifted the siege and withdrew to the Illinois Country, where
Battle of Fort Oswego a threat to the nearby French-controlled Fort Frontenac. The battle was notable for demonstrating that traditional European siege tactics were viable in North America when applied properly in the right circumstances and terrain. Following the beginning of open conflict between French and British colonists in 1754 with the Battle of Jumonville Glen, the governments of Britain and France both sent regular army troops to North America to further contest the disputed territories of the Ohio Country and other border areas, including the frontier between the French province of Canada and the British province of New York, an area in present-day