Complex sentence: By 1650, the area had been visited by those from the Shawnee, Cherokee, Chickasaw, and the Creek peoples, and the Cumberland, as well as the nearby Eagle Falls were considered sacred by many.
Split into simpler sentences: By 1650, the area had been visited by those from the Shawnee, Cherokee, Chickasaw, and the Creek peoples. The Cumberland, as well as the nearby Eagle Falls were both considered sacred by many.