1. The University of North Dakota was founded on October 7, 1883. The university is a public research institution located in Grand Forks, which serves as the flagship campus of the North Dakota University System.

2. On October 7, 1908, Theodore Roosevelt made a campaign speech in Fargo, North Dakota during his run for the presidency. Known for his conservation policies and rugged individualism, Roosevelt appealed to a wide range of voters in North Dakota.

3. The first radio station in North Dakota, WDAY, began broadcasting on October 7, 1922. Today, WDAY is a news and talk radio station serving Fargo-Moorhead and the surrounding areas.

4. On October 7, 1946, the Salk polio vaccine was tested for the first time in North Dakota. The vaccine was developed by Jonas Salk and was used to prevent poliomyelitis, a viral disease that caused paralysis and even death.

5. North Dakota state representative Art Link was born on October 7, 1914. Link was an environmentalist and champion of clean energy, and he served in the North Dakota House of Representatives from 1973 to 1980. He is also known for leading the effort to establish the Theodore Roosevelt National Park in North Dakota.