The Ninth Wisconsin Legislature convened from January 9, 1856, to March 31, 1856, in regular session, and re-convened from September 3, 1856, to October 14, 1856.
The Tenth Wisconsin Legislature convened from January 14, 1857, to March 9, 1857, in regular session.
The Twelfth Wisconsin Legislature convened from January 12, 1859, to March 21, 1859, in regular session.
The Thirteenth Wisconsin Legislature convened from January 11, 1860, to April 2, 1860, in regular session.
The Fourteenth Wisconsin Legislature convened from January 9, 1861, to April 17, 1861, in regular session. The legislature re-convened in special session from May 15, 1861, to May 27, 1861, at the request of Wisconsin Governor Alexander Randall, to approve funding for a brigade of volunteers for the American Civil War.
The Fifteenth Wisconsin Legislature convened from January 8, 1862, to April 7, 1862, in regular session, and re-convened from June 3, 1862, through June 17, 1862. The legislature further convened in a special session from September 10, 1862, through September 26, 1862.
The Sixteenth Wisconsin Legislature convened from January 14, 1863, to April 2, 1863, in regular session.
The Seventeenth Wisconsin Legislature convened from January 13, 1864, to April 4, 1864, in regular session.
The Eighteenth Wisconsin Legislature convened from January 11, 1865, to April 10, 1865, in regular session.
The Twenty-First Wisconsin Legislature convened from January 8, 1868, to March 6, 1868, in regular session.
The Twenty-Fourth Wisconsin Legislature convened from January 11, 1871, to March 25, 1871, in regular session.
The Twenty-Sixth Wisconsin Legislature convened from January 8, 1873, to March 20, 1873, in regular session.
The Twenty-Seventh Wisconsin Legislature convened from January 14, 1874, to March 12, 1874, in regular session.
The Twenty-Eighth Wisconsin Legislature convened from January 13, 1875, to March 6, 1875, in regular session.
The Twenty-Ninth Wisconsin Legislature convened from January 12, 1876, to March 14, 1876, in regular session.
The Thirty-Fifth Wisconsin Legislature convened from January 11, 1882, to March 31, 1882, in regular session.
The Thirty-Sixth Wisconsin Legislature convened from January 10, 1883, to April 4, 1883, in regular session.
The Thirty-Seventh Wisconsin Legislature convened from January 14, 1885, to April 13, 1885, in regular session.
The Fortieth Wisconsin Legislature convened from January 14, 1891, to April 25, 1891, in regular session. They met again for two special sessions in June 1892 and October 1892 to pass redistricting laws. The extra sessions were necessitated by court cases which threw out the Legislature's previous attempts at redistricting. The final redistricting act was signed just 12 days before the 1892 general election.
The Forty-Sixth Wisconsin Legislature convened from January 14, 1903, to May 23, 1903, in regular session. During this legislative term but after the end of the legislative session, in February 1904, the Wisconsin State Capitol suffered a severe fire that destroyed two wings and damaged the rotunda.
