Assembly information prior to the 1997 Legislative Assembly is continuously being added to the legislative branch website.  Therefore, assembly documents and information preceding the 1997 Legislative Assembly may not be available at this time, but may become available in the future.

The 1st Territorial Legislative Assembly consisted of a Council with 9 council members and a House of Representatives with 13 representatives.  The 1st Territorial Legislative Assembly convened in regular session in Yankton, Dakota Territory, on Monday, March 17, 1862.