In 1985 the building became a State Historic Site within the new Illinois Historic Preservation Agency, which maintains the old state house and interprets it to its brief time as Illinois's fourth capitol building in 1836-39.
The building became a State Historic Site within the new Illinois Historic Preservation Agency. This was in 1985. The new Illinois Historic Preservation Agency maintains the old state house. The new Illinois Historic Preservation Agency interprets it to its brief time as Illinois's fourth capitol building in 1836-39.