A state in the northern central US, on the border with Canada; population 641,481 (est. 2008); capital, Bismarck. Acquired partly by the Louisiana Purchase in 1803 and partly from Britain by treaty in 1818, it became the 39th state of the US in 1889.
A state in the northern central US, on the border with Canada; population 641,481 (est. 2008); capital, Bismarck. Acquired partly by the Louisiana Purchase in 1803 and partly from Britain by treaty in 1818, it became the 39th state of the US in 1889.