In May 1660, the Battle of Long Sault marked a critical conflict between French colonial forces and the Iroquois Confederacy. The French, comprising colonial militia alongside their Indigenous allies, the Huron and Algonquin, sought to assert their dominance and expand their influence in the New World. The backdrop of this encounter is rooted in the complex dynamics of colonial expansion, where European powers vied for control and alliances were constantly shifting among Indigenous peoples. The battle took place over five grueling days along the waterways near Long Sault, a strategic locale defining access and resources critical for settlement and trade.

The Iroquois Confederacy, known for their formidable military organization and tactics, engaged the French and their Indigenous allies in a fierce struggle. The prolonged conflict tested both sides' resolve and adaptability in combat. Despite the French's numbers and support, the Iroquois proved superior in military strategy, ultimately leading to a decisive defeat for the French forces. The aftermath of the battle was characterized by significant losses for the French, impacting their future operations and relationships with Native groups in the region.

The battle underscored the precarious nature of alliances during this period, highlighting how military engagements influenced relationships between colonial powers and Indigenous nations. The victory solidified Iroquois power in the area and created a ripple effect, altering trade routes and territorial claims among the varying groups that inhabited what would become Canada and the United States. As a result, the Battle of Long Sault was not merely a clash of arms, but a defining moment that shaped the geopolitical landscape of North America in the subsequent years.