1. May Day, also known as International Workers' Day, has a rich history in North Dakota. In 1890, socialist and labor organizations throughout the state held rallies and parades to demand better working conditions and higher wages for workers.

2. The 1919 May Day celebration in North Dakota took a turn for the worse when violence broke out between the state's National Guard and striking workers in Minot. The confrontation resulted in several deaths and injuries and sparked a nationwide debate about the use of force to quell labor unrest.

3. May 1, 1934, marked a new era in North Dakota's agricultural history when President Franklin D. Roosevelt signed the Agricultural Adjustment Act. The legislation provided subsidies to farmers who agreed to reduce production in order to raise crop prices and stabilize the industry.

4. In 1949, the small town of Larimore, North Dakota, made national headlines when a UFO reportedly crashed into a farmer's field on May Day. The incident, which was later debunked as a weather balloon, sparked widespread speculation and interest in extraterrestrial life.

5. May 1, 1971, was a historic day for the University of North Dakota's athletic program. The Fighting Sioux football team, led by coach Jerry Olson, won the school's first-ever national championship by defeating Montana State in the NCAA Division II title game. The victory remains a proud moment in North Dakota sports history.