High Quality Content by WIKIPEDIA articles! The Corydon Historic District of Corydon, Indiana, United States, is listed on the National Register of Historic Places. It is also known as Indiana`s First State Capital and as Historic Corydon. In 1973, the district comprised the old statehouse and the square around, and in 1989, it was extended so that it extends to Indian Creek in the north and west, College Avenue in the east, and Little Indian Creek to the south. Eight buildings within the district were standing when Corydon was the capital of Indiana.