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.
Allamakee County Iowa (Vacant / Not In Use) has 2 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Monsrud Bridge and Red Bridge.
Some of the country's most noteable architects helped create the Allamakee County places including Allamakee County Engineer and King Iron Bridge Co.. Prominent architectural styles found in Allamakee Country are .