Tadmor is an extinct town in Montgomery County, in the U.S. state of Ohio. Its location, 39°53′45″N 84°9′55″W / 39.89583°N 84.16528°W, [1] is now within the Vandalia city limits. [2]
A post office called Tadmer was established in 1867, the name was changed to Tadmor in 1884, and the post office closed in 1917. [3] Besides the post office, Tadmor had a station on the Dayton and Michigan Railroad. [4]