The BIA is one of the oldest federal agencies in the U.S., with roots tracing back to the Committee on Indian Affairs established by Congress in 1775. First headed by Benjamin Franklin, the committee oversaw trade and treaty relations with various indigenous peoples, until the establishment of the Bureau of Indian Affairs by Secretary of War John C. Calhoun in 1824. The BIA gained statutory authority in 1832, and in 1849 was transferred to the newly created Department of the Interior. Until the formal adoption of its current name in 1947, the BIA was variably known as the Indian Office, the Indian Bureau, the Indian Department, and the Indian Service.