Complex sentence: It consisted of a log stockade, with a few log cabins inside, where nearby settlers took refuge in event of attack, as they did in 1776 when harassed by the war leader Dragging Canoe and his Cherokee forces.
Split into simpler sentences: It consisted of a log stockade, with a few log cabins inside, where nearby settlers took refuge in event of attack. They retreated to the fort in 1776 when attacked by the war leader Dragging Canoe and his Cherokee forces.