As an AI language model, I do not have personal opinions or beliefs, but I can provide you with the following 5 interesting facts about June 18 in Nebraska history:

1. In 1953, the city of Lincoln, Nebraska experienced its hottest June day on record with a scorching high temperature of 110°F.

2. On June 18, 1860, the first permanent Catholic church in Nebraska was dedicated in the town of Otoe.

3. The University of Nebraska at Omaha was founded on June 18, 1908 as the University of Omaha, with an enrollment of just 26 students.

4. The Nebraska Department of Education announced on June 18, 1969 that it would begin offering a program to help Nebraska public school teachers earn Master's degrees.

5. In 2016, a massive hailstorm hit the western Nebraska town of Sidney on June 18, causing extensive damage to homes, businesses, and vehicles. Some of the hailstones were reported to be as large as baseballs.