1. On October 30, 1901, the Young Men's Christian Association (YMCA) building was formally opened in Fargo, North Dakota. The building, which currently serves as the Plains Art Museum, was designed by Charles E. Bell and was one of the first YMCAs to be built in the state.

2. In 1919, on October 30, North Dakota became the 19th state to ratify the 19th Amendment to the U.S. Constitution. The amendment granted women the right to vote, and its ratification marked a significant milestone in the women's suffrage movement.

3. On October 30, 1939, University of North Dakota quarterback, George "The Gipper" Gipp, was posthumously inducted into the College Football Hall of Fame. Gipp, who died in 1920, is remembered for his legendary performance in the 1920 Notre Dame-Army game and for inspiring the famous line "win one for the Gipper" used by future Notre Dame football coach Knute Rockne.

4. On October 30, 1975, the Medora Musical Hall of Fame was established in Medora, North Dakota. The Hall of Fame recognizes individuals who have made significant contributions to the Medora Musical, a beloved outdoor musical that has been performed annually in the town since 1965.

5. On October 30, 1991, the North Dakota Museum of Art in Grand Forks was severely damaged by the flooding of the Red River. The museum, which had only recently completed a major renovation, lost many of its exhibits and suffered extensive damage to its building. However, through a massive community effort, the museum was eventually rebuilt and reopened in 1997.