1. The Battle of Whitestone Hill took place on June 19, 1863, in southeastern North Dakota. This battle was fought between the US Army and a band of Dakota Sioux, resulting in the death of over 300 Native Americans.

2. In 1910, North Dakota became the first state in the US to establish a state-owned bank, the Bank of North Dakota. This bank has been instrumental in supporting the state's economy and infrastructure, particularly during difficult financial times.

3. On June 19, 1919, a tornado struck the town of Dickinson, North Dakota, killing nine people and causing significant damage to the town. This tornado was part of a larger outbreak of severe weather that affected several Midwestern states.

4. In 1953, the US Air Force installed the first jet fighter squadron in Grand Forks, North Dakota. This marked a significant shift in military tactics and technology, with the Air Force placing a greater emphasis on airborne warfare.

5. On June 19, 1972, the Republican National Convention nominated incumbent President Richard Nixon for a second term. The convention was held in Miami Beach, Florida, but North Dakota played a key role in the Republican Party's presidential nomination process that year.