20th Wisconsin Legislature
The Twentieth Wisconsin Legislature convened from to in regular session.
This was the first legislative session after the redistricting of the Senate and Assembly according to an act of the previous session.
Senators representing odd-numbered districts were newly elected for this session and were serving the first year of a two-year term. Assembly members were elected to a one-year term. Assembly members and odd-numbered senators were elected in the general election of November 6, 1866. Senators representing even-numbered districts were serving the second year of their two-year term, having been elected in the general election held on November 7, 1865.
The governor of Wisconsin during this entire term was Republican Lucius Fairchild, of Dane County, serving the second year of a two-year term, having won election in the 1865 Wisconsin gubernatorial election.
Major events
- January 23, 1867: Timothy O. Howe re-elected as United States Senator by the Wisconsin Legislature in Joint Session.
- May 29, 1867: The Austro-Hungarian Compromise created the empire of Austria-Hungary.
- June 19, 1867: Emperor Maximilian I of Mexico was executed by firing squad.
- September 30, 1867: The United States took possession of Midway Atoll.
- October 18, 1867: The territory of Alaska was transferred from the Russian Empire to the United States.
- November 5, 1867: Wisconsin general election:
- * Lucius Fairchild re-elected as Governor of Wisconsin.
- * Voters approved an amendment to the Constitution of Wisconsin to raise legislator's compensation to $350 per year.
Major legislation
- February 13, 1867: Wisconsin ratifies the Fourteenth Amendment, .
- Proposed an amendment to the Constitution of Wisconsin to raise legislators' pay to $350 per year. The amendment was ratified by voters in the November 1867 general election.
Sessions
1st Regular session: January 9, 1867April 11, 1867Leaders
Senate leadership
- President of the Senate: Wyman Spooner
- President pro tempore: George F. Wheeler
Assembly leadership
Members
Members of the Senate
Members of the Wisconsin Senate for the Twentieth Wisconsin Legislature:Members of the Assembly
Members of the Assembly for the Twentieth Wisconsin Legislature:Changes from the 19th Legislature
New districts for the 20th Legislature were defined in, passed into law in the 19th Wisconsin Legislature.Senate redistricting
Summary of changes
- 26 Senate districts were left unchanged.
- Calumet County was moved from the 19th district to the 22nd.
- Door County was moved from the 22nd district to the 2nd.
- Monroe County was moved from the 31st district to the 9th.
- Waushara County was moved from the 9th district to the 29th.
- Vernon County was moved from the 30th district to the 31st.
Senate districts
| Dist. | 19th Legislature | 20th Legislature |
| 1 | Sheboygan County | Sheboygan County |
| 2 | Brown, Kewaunee counties | Brown, Door, Kewaunee counties |
| 3 | Ozaukee County | Ozaukee County |
| 4 | Washington County | Washington County |
| 5 | Northern Milwaukee County | Northern Milwaukee County |
| 6 | Southern Milwaukee County | Southern Milwaukee County |
| 7 | Racine County | Racine County |
| 8 | Kenosha County | Kenosha County |
| 9 | Adams, Juneau, Waushara counties | Adams, Juneau, Monroe counties |
| 10 | Waukesha County | Waukesha County |
| 11 | Eastern Dane County | Eastern Dane County |
| 12 | Walworth County | Walworth County |
| 13 | Lafayette County | Lafayette County |
| 14 | Sauk County | Sauk County |
| 15 | Iowa County | Iowa County |
| 16 | Grant County | Grant County |
| 17 | Rock County | Rock County |
| 18 | Western Dodge County | Western Dodge County |
| 19 | Manitowoc, Calumet counties | Manitowoc County |
| 20 | Fond du Lac County | Fond du Lac County |
| 21 | Winnebago County | Winnebago County |
| 22 | Door, Oconto, Outagamie, Shawanaw counties | Calumet, Oconto, Outagamie, Shawano counties |
| 23 | Jefferson County | Jefferson County |
| 24 | Green County | Green County |
| 25 | Columbia County | Columbia County |
| 26 | Western Dane County | Western Dane County |
| 27 | Marathon, Portage, Waupaca, Wood counties | Marathon, Portage, Waupaca, Wood counties |
| 28 | Ashland, Burnett, Dallas, Douglas, La Pointe, Pierce, Polk, St. Croix counties | Ashland, Bayfield, Burnett, Dallas, Douglas, Pierce, Polk, St. Croix counties |
| 29 | Green Lake, Marquette County | Green Lake, Marquette, Waushara counties |
| 30 | Bad Ax, Crawford, Richland counties | Crawford, Richland counties |
| 31 | La Crosse, Monroe counties | La Crosse, Vernon counties |
| 32 | Buffalo, Chippewa, Clark, Dunn, Eau Claire, Jackson, Pepin, Trempealeau counties | Buffalo, Chippewa, Clark, Dunn, Eau Claire, Jackson, Pepin, Trempealeau counties |
| 33 | Eastern Dodge County | Eastern Dodge County |
Assembly redistricting
Summary of changes
- Brown County went from having 1 district to 2.
- Buffalo County became its own assembly district, after previously having been in a shared district with Pepin and Trempealeau counties.
- Eau Claire and Pepin counties became a combined district, Eau Claire had previously been in a shared district with Chippewa and Dunn counties, Pepin had previously been in a shared district with Buffalo and Trempealeau counties.
- Dodge County went from having 5 districts to 4.
- Door and Kewaunee counties became a combined district, Door had previously been in a shared district with Oconto and Shawano counties, Kewaunee had previously been its own Assembly district.
- Fond du Lac County went from having 5 districts to 6.
- La Crosse County went from having 1 district to 2.
- Milwaukee County went from having 9 districts to 10.
- Racine County went from having 3 districts to 2.
- Rock County went from having 6 districts to 5.
- Sheboygan County went from having 4 districts to 3.
- St. Croix County became its own assembly district, after previously having been in a shared district with Pierce County.
- Trempealeau County became its own assembly district, after previously having been in a shared district with Buffalo and Pepin counties.
- Walworth County went from having 4 districts to 3.
- Washington County went from having 3 districts to 2.
- Waukesha County went from having 4 districts to 3.