Fort Loyal was a British settler refuge and colonial outpost built in 1678 at Falmouth (present-day Portland, Maine) in Casco Bay. It was destroyed in 1690 by Abenaki and French forces at the Battle of Fort Loyal. The fort was rebuilt in 1742 and renamed Falmouth Fort before King George's War and rearmed again in 1755 for the French and Indian War. The fort was rebuilt a final time in 1775 for the American Revolution. The fort was rebuilt in 1742 and renamed "Falmouth Fort" before King George's War and then rearmed during the French and Indian War in 1755.