1. On June 21, 1966, a devastating tornado struck the town of Fargo, North Dakota. The category F5 tornado killed 12 people and injured over 100, causing millions of dollars in damage.

2. In 1988, on June 21, a severe drought began in North Dakota that lasted for several years. The lack of rainfall led to significant losses in agriculture and livestock production, causing many farmers and ranchers to struggle financially.

3. June 21, 1874, marked the beginning of the Northern Pacific Railroad's construction through North Dakota. The railroad would eventually connect the Great Lakes region to the Pacific Northwest, spurring development and commerce throughout the state.

4. The summer solstice, marking the longest day of the year, falls on June 21. In North Dakota, this day is celebrated with various events, including outdoor concerts, festivals, and bonfires.

5. On June 21, 2006, the North Dakota State Capitol building in Bismarck was struck by lightning, causing a small fire. The building, which was built in 1934, underwent extensive renovations and repairs following the incident.