1. In 1927, North Dakota experienced one of its deadliest tornado outbreaks on June 26th. The tornadoes caused widespread damage and claimed 17 lives across the state.

2. June 26th, 1940 marked the day that the Great Flood of 1940 began in North Dakota. Heavy rains caused the Missouri River to overflow its banks, resulting in one of the worst floods in state history.

3. North Dakota became the 39th state to ratify the 19th Amendment on June 26th, 1919. This amendment granted women the right to vote in the United States.

4. On June 26th, 1975, Arthur A. Link was inaugurated as the 29th governor of North Dakota. Link was known for his commitment to environmental conservation and was instrumental in preserving the state's Badlands region.

5. June 26th, 1963 marked the opening of the International Peace Garden on the border between North Dakota and Manitoba, Canada. The garden was established to promote peace and goodwill between the United States and Canada.