The nineteen-day siege of Fort Niagara by British forces in 1759 was the climax of a century-long struggle for the northern gateway to the interior of the North American continent. Conduct of the siege followed the classic techniques of then-modern warfare applied to the wilds of the remote American frontier. The bloody repulse of French troops sent to raise the siege at La Famille and subsequent capitulation of the fort ended all hopes of French ambitions within the Great Lakes. Impact on the Haudenosaunee The long standing Haudenosaunee strategy of playing European nations against each other lacked leverage with the French loss of Fort Niagara and North America.