Wisconsin Territory: Polity Style: 1836-1848

3 Jul 1836	part of the Territory of Michigan within designated boundaries, excluding the State of Michigan, constitutes a separate territory under the name of Wisconsin, and the authority of the territorial government of Michigan ceases on 3 Jul 1836, the date appointed by an act passed by the Congress of the United States (Senate on 29 Mar 1836, House of Representatives on 8 Apr 1836 with amendments, Senate disagrees to an amendment on 8 Apr 1836, Senate recedes from disagreement to the amendment on 18 Apr 1836) and signed into law on 20 Apr 1836 (Statutes at Large, 5:10-16)
3 Jul 1836 - 10 Apr 1848	Territory of Wisconsin
6 Aug 1846	the inhabitants of the Territory of Wisconsin are authorized to form a constitution and state government for admission to the United States as the State of Wisconsin within the prescribed boundaries, in accordance with an act passed by the Congress of the United States (House of Representatives on 10 Jun 1846; Senate on 5 Aug 1846) and signed into law on 6 Aug 1846 (Statutes at Large, 9:56-58) [2]
1 Feb 1848	the Constitution of the State of Wisconsin is adopted and signed at a session of the Convention held in Madison on 1 Feb 1848, pending ratification by qualified electors (Wisconsin Constitutional Convention 1847-1848, pp. 598-599)
10 Apr 1848	the ratification of the Constitution of the State of Wisconsin by the qualified electors at a vote held on 13 Mar 1848 is certified by a proclamation issued by the Governor of the Territory of Wisconsin on 10 Apr 1848 (Wisconsin Argus, No. 34, 11 Apr 1848, p. 2) [3]
29 May 1848	the State of Wisconsin, within the boundaries prescribed by the Act of 6 Aug 1846, is admitted to the United States in accordance with an act passed by the Congress of the United States (House of Representatives on 11 May 1848, Senate on 19 May 1848), signed into law on 29 May 1848 (Statutes at Large, 9:233-235) [4][5]
3 Mar 1849	the portion of the Territory of Wisconsin not included in the State of Wisconsin, comprising most of St. Croix County, becomes part of the Territory of Minnesota in accordance with an act passed by the Congress of the United States (Senate on 19 Jan 1849; House of Representatives on 28 Feb 1849, with amendments; Senate concurs in all but one amendment on 1 Mar 1849; House recedes from the rejected amendment on 3 Mar 1849) and signed into law on 3 Mar 1849 (Statutes at Large, 9:403-409) [5]

Full title: An Act establishing the Territorial Government of Wisconsin.
Full title: An Act to enable the People of Wisconsin Territory to form a Constitution and State Government, and for the Admission of such State into the Union.
Following the adoption and ratification of the Constitution of the State of Wisconsin, all civil and military officers of the territorial government were authorized by a provision of the Constitution to continue in office until superseded.
Most of St. Croix County of the Territory of Wisconsin was not included within the boundaries of the State of Wisconsin, causing the claims that the territorial government of Wisconsin continued in existence after the admission of the state into the United States until the creation of the Territory of Minnesota.
Full title: An Act for the Admission of the State of Wisconsin into the Union.
Full title: An Act to establish the Territorial Government of Minnesota.