1) In 1935, a tornado outbreak hit several towns in North Dakota, including Northwood and Aneta, causing significant damage and loss of life.

2) On June 23, 1950, the United States Air Force established a missile testing range in western North Dakota, which would eventually become the Minuteman Missile National Historic Site.

3) Theodore Roosevelt, the 26th President of the United States, first visited North Dakota on June 23, 1883, while on a buffalo hunting trip in the Badlands.

4) In 1988, the National Buffalo Museum opened in Jamestown, North Dakota, featuring exhibits on the history and significance of buffalo in the Great Plains.

5) Legendary North Dakota football coach Darrell Mudra, who coached at North Dakota State University and the University of North Dakota, was born on June 23, 1934.