1. In 1930, the U.S. Post Office Department issued a special 2-cent stamp honoring the 50th anniversary of North Dakota's statehood. The stamp featured an image of a bison, which is the official state mammal.

2. On February 18, 1959, North Dakota Senator Quentin Burdick introduced a bill that proposed the establishment of a national park in the badlands of western North Dakota. This eventually led to the creation of Theodore Roosevelt National Park.

3. In 1978, snowmobilers from North Dakota set a new world record for distance traveled by snowmobile in 24 hours. The team traveled 2,030 miles in a 24-hour period, breaking the previous record by over 100 miles.

4. On February 18, 1905, the town of Grand Forks experienced the deadliest natural disaster in North Dakota history when a massive fire swept through the downtown area. The fire destroyed over 30 buildings and claimed the lives of ten people.

5. In 2006, North Dakota became the first state in the country to legalize electronic pull-tabs, which are games that are similar to traditional paper pull-tabs but can be played on electronic devices. The move was aimed at raising revenue for charitable organizations that rely on pull-tab sales.