The First Legislative Assembly of the Wisconsin Territory convened from October 25, 1836, to December 9, 1836, and from November 6, 1837, to January 20, 1838, in regular session. The Assembly also convened in special session from June 11, 1838, to June 25, 1838.[1][2]
The three sessions of the 1st Legislative Assembly were the only legislative sessions to take place before the division of the Iowa Territory from the Wisconsin Territory.
June 12, 1838: President Martin Van Buren signed legislation creating the Iowa Territory from the part of the Wisconsin Territory west of the Mississippi River. The division became effective July 4, 1838.
November 2, 1836: The Council concurs on adoption of the first great seal of the territory
December 3, 1836: An Act to establish the seat of government of the territory of Wisconsin, and to provide for the erection of public buildings, 1836 Wis. Terr. Act 11. Established Madison as the capital city of Wisconsin.
December 7, 1836: An Act to divide the counties of Brown and Milwaukee, 1836 Wis. Terr. Act 28. Created the counties of Calumet, Dane, Dodge, Fond du Lac, Jefferson, Manitowoc, Marquette, Portage, Racine, and Washington.
December 8, 1836: An Act to divide the county of Iowa, 1836 Wis. Terr. Act 31. Created the counties of Grant and Green.
January 12, 1838: An Act to abolish imprisonment for debt, and other purposes, 1837 Wis. Terr. Act 37.
January 17, 1838: An Act relating to the militia, and public defense of the territory of Wisconsin, 1838 Wisc. Terr. Act 58.
January 17, 1838: An Act to incorporate the borough of Green Bay, 1838 Wisc. Terr. Act 66.
June 23, 1838: An Act to district the territory of Wisconsin into electoral districts and to apportion the representation of each, 1838 Wisc. Terr. Special Session Act 18.
^Smith, Theodore Clarke. The Free Soil Party in Wisconsin [From Proceedings of State Historical Society of Wisconsin, 1894]. Madison: State Historical Society of Wisconsin, 1895; p. 136