County Seat Town

Historical marker location:

8047 Hwy 166 S, Black Rock, Arkansas

( Marker can be reached from Arkansas Route 166, 0.6 miles south of Arkansas Route 361.)

Davidsonville Historic State Park.

Arkansas was part of the Louisiana Purchase in 1803, which was the largest land acquisition in U.S. history, and the state was later admitted to the Union as the 25th state on June 15, 1836.