1. Statehood Centennial - May 19, 1989 marked the 100th anniversary of North Dakota becoming a state in the United States. The state celebrated with various events and celebrations throughout the year.

2. First airplane flight - On May 19, 1910, John "Jack" Clifford, a mechanic from Chicago, became the first person to fly an airplane in North Dakota. His flight took place at the North Dakota State Fairgrounds in Fargo.

3. Viking ship found - On May 19, 1957, a Viking ship was discovered buried in a farmer's field near the town of Grafton. The ship, believed to be over 1,000 years old, was eventually moved to the Hjemkomst Center in Moorhead, Minnesota.

4. Red River flood - In May 1997, the Red River reached its highest level ever recorded, causing widespread flooding throughout North Dakota and Minnesota. May 19 was a particularly significant day, as the river crested at 54 feet in Grand Forks, causing extensive damage to the city.

5. National Buffalo Museum opens - On May 19, 1993, the National Buffalo Museum opened its doors in Jamestown. The museum is dedicated to preserving the history of the American bison and educating the public about the importance of this iconic animal.