Complex sentence: After the Chickamauga Wars, The Ridge and Sehoya and their family lived in Oothcaloga, near the modern city of Calhoun, Georgia, until 1819, when they moved near the town of Chatuga at the confluence of the Oostanaula and Etowah Rivers.
Split into simpler sentences: After the Chickamauga Wars, the Ridges lived in Oothcaloga, near the modern city of Calhoun, Georgia. In 1819, they moved near the town of Chatuga at the confluence of the Oostanaula and Etowah Rivers.