The Appalachian Mountains played a crucial role in the French and Indian War.

The French and Indian War (1754-1763), part of the larger Seven Years' War, involved conflict between the British and French empires, along with their respective Native American allies. The Appalachian Mountains served as a significant geographic barrier and a strategic region for control over land and resources. The British sought to expand their territories westward, leading to tensions with the French and Native Americans who were already established in these areas. Key battles and military campaigns during the war occurred in and around the Appalachian region, ultimately influencing the balance of power in North America and setting the stage for future conflicts and territorial disputes.