1787, May 25 Constitutional Convention meets in Philadelphia, Pennsylvania, to revise Articles of Confederation, the compact among states governing the newly independent nation. New Constitution is adopted by delegates on September 17.
Big Stone County Minnesota (Historic Districts) has 1 places on the National Register of Historic Places.
Some of the country's most noteable architects helped create the Big Stone County places including Carlson-Hasslen Construction Co.. Prominent architectural styles found in Big Stone Country are Gothic.
Ortonville Commercial Historic District
(added 1985 - - #85001765)
Second St., Madison and Monroe Aves., between Jefferson and Jackson Aves. , Ortonville