Nature & Science
Did You Know?
Established on March 2nd, 1923 as Mound City Group National Monument, the park was the first federally created National Park Service site in Ohio. President Warren G. Harding, a native of Ohio, established the national monument using powers granted to him under Section 2 of the 1906 Antiquities Act. The park was eventually re-named Hopewell Culture National Historical Park on May 27th, 1992 after congressional legislation was approved in the House and the Senate. More...