The Ninety-Seventh Wisconsin Legislature convened from January 3, 2005, to January 3, 2007, in regular session, and held two concurrent special sessions in January 2005 and February 2006, and two extraordinary sessions in July 2005 and April 2006.

The Ninety-Sixth Wisconsin Legislature convened from January 6, 2003, to January 3, 2005, in regular session, and held a concurrent special session from January 30, 2003, to February 20, 2003. They also held seven extraordinary sessions during the term.