The East Tennessee Historical Society (ETHS), headquartered in Knoxville, Tennessee, United States, is a non-profit organization dedicated to the study of East Tennessee history, the preservation of historically significant artifacts, and educating the citizens of Tennessee. The society operates a museum and museum shop in the East Tennessee History Center on Gay Street in downtown Knoxville. The East Tennessee Historical Society was established in 1834, 38 years after the establishment of the state of Tennessee, to record the history of the development and settlement of the area.