Christiana County, Tennessee
From FamilySearch Wiki
Roane, Monroe, and Blount counties. But a month after its creation the Tennessee legislature renamed it Loudon County.Christiana County was created on 2 June 1870 from parts of
"Rotating Formation Tennessee County Boundary Maps" (1777-1985) may be viewed for free at the MapofUS.org website. They rely on AniMap 3.0 software.
- Robert M. McBride, "Lost Counties of Tennessee," East Tennessee Historical Society's Publications 38 (1966): 7.