1. In 1954, the University of Northern Iowa became the first accredited institution of higher education in the state to offer night classes.

2. On February 22, 1975, the first Super Bowl played on artificial turf was held at the Louisiana Superdome in New Orleans. Iowa native and University of Iowa graduate, Bob Stein, was one of the founders of Astroturf, the company that provided the playing surface for the game.

3. In 1907, the famous aviator and engineer Glenn L. Martin established his first airplane factory in Santa Ana, California. Martin was born in Macksburg, Iowa, in 1886, and his contributions to the aviation industry played a significant role in the development of modern aviation.

4. On February 22, 1876, the first Iowa State University Extension Programs were established. The programs offered services and educational resources to farmers across the state, designed to improve agricultural practices and crop yields.

5. In 1944, Anna L. Green became the first African American woman to be licensed as a pilot in Iowa. Green earned her license through the Civilian Pilot Training Program at the Tuskegee Institute in Alabama, and went on to become an influential aviation instructor and mentor to many aspiring pilots.