Fort Loudoun was a British fort built in 1756 during the French and Indian War, located in what is now Tennessee. It served as a strategic military outpost for the British to protect their interests in the region and to support local settlers against Native American attacks. The fort was named after John Campbell, the 4th Earl of Loudoun, who was the commander of British forces in North America at the time. Today, the site is preserved as a historical park, allowing visitors to explore its history and significance in early American colonial conflicts.