History of Bismarck, North Dakota real impetus for growth. In 1883, Bismarck became the capital of the Dakota Territory and, in 1889, of the state of North Dakota. The first well-documented inhabitants of what is now Bismarck were the Mandan Nation. The remains of Chief Looking's Village, one of the Mandan towns, is now a park within the city limits, while another six to eight town sites, including On-a-Slant Village, Large-and-Scattered Village, and Double Ditch Village, made up the homeland of the Mandan Nation from about the mid-1500s to the late 1700s and surround present-day Bismarck for a few miles to the north and south.
North Dakota State Capitol State Historical Society of North Dakota moved into the new North Dakota Heritage Center and in 1968, the North Dakota Department of Transportation occupied the building designed to provide it more office space. The Transportation Building is the last constructed on the campus to date, although a Judicial Wing was added onto the base of the capitol tower between 1977 and 1981. While the space needed by state government has increased since the original construction of the Capitol in the 1930s, the state's population has decreased. The state capitol grounds has six buildings: the capitol building, the Department of Transportation