1. Dakota Territorial Governor William Jayne was born on August 21, 1826. He was appointed as governor by President Abraham Lincoln in 1861 and served until 1863.
2. On August 21, 1952, a tornado struck the town of Steele, North Dakota. The tornado caused significant damage and killed two people.
3. On August 21, 1976, the North Dakota State Fair broke its single-day attendance record with 83,708 visitors. The fair has since broken this record multiple times.
4. Theodore Roosevelt National Park was established on August 21, 1946. The park is named after President Theodore Roosevelt, who had a ranch in North Dakota and was known for his conservation efforts.
5. On August 21, 1912, the first issue of the Bismarck Tribune was published. The newspaper is still in circulation today and is the oldest daily newspaper in North Dakota.