1. On March 31, 1889, North Dakota was officially admitted as the 39th state in the United States.
2. In 1922, the North Dakota Capitol building in Bismarck was dedicated on March 31st. The building features a 19-story art deco tower and is one of the tallest capitol buildings in the United States.
3. In 1963, a snowstorm hit North Dakota on March 31st, dumping up to 43 inches of snow in some areas. The storm caused huge drifts that blocked roads and stranded motorists.
4. On March 31, 1979, the Cannonball River in North Dakota flooded, causing extensive damage to properties and crops. The flood was caused by heavy rains and snowmelt.
5. In 2014, the North Dakota State University Bison football team won their third consecutive national championship on March 31st, becoming the first NCAA football team to ever do so at the Football Championship Subdivision level.