The earliest Cherokee occupation dates from Dragging Canoe, who in 1776 separated himself and moved downriver from the main tribe to establish Native American resistance during the Cherokee–American wars) to European settlement in the southeastern United States.In 1816 John Ross, who later became Principal Chief, established Ross's Landing.
Chattanooga is home to the University of Tennessee at Chattanooga (UTC) and Chattanooga State Community College.
Since the completion of the reservoir system, the highest Chattanooga flood stage has been nearly 37 feet (11 m), which occurred in 1973.
Without regulation, the flood would have crested at 52.4 feet (16.0 m).
During the Chickamauga Campaign, Union artillery bombarded Chattanooga as a diversion and occupied it on September 9, 1863.
Following the Battle of Chickamauga, the defeated Union Army retreated to safety in Chattanooga. Grant reinforced troops at Chattanooga and advanced to Orchard Knob against Confederate troops besieging the city.