<page_title> List of the oldest courthouses in the United States </page_title> <section_title> Former courthouses </section_title> <table> <cell> Cahokia Courthouse <col_header> Courthouse </col_header> </cell> <cell> Illinois <col_header> Location </col_header> </cell> </table>
The Cahokia Courthouse is of the state of Illinois and is one of the oldest in the United States.