1. In 1838, the state of Iowa was officially established as a territory by an act of Congress. Prior to this, the Iowa region had been part of the Louisiana Territory and the Missouri Territory.

2. On January 13, 1846, Iowa was admitted as the 29th state of the United States of America. The state was initially named the "Iowa Territory" and was named after the Native American tribe, the Iowa people.

3. In 1853, the first railroad in Iowa was completed between Davenport and Iowa City. This marked an important milestone for the state, as the railroad would become a crucial part of Iowa's economy and transportation system.

4. On January 13, 1920, Iowa became the 11th state to ratify the 19th Amendment to the U.S. Constitution, which granted women the right to vote. This was a significant step forward for women's rights in the United States.

5. On January 13, 1980, the Super Bowl was held in Iowa for the first and only time in history. The game was played at the University of Iowa's Kinnick Stadium in Iowa City, which had been temporarily converted into a football stadium with a capacity of 70,000 people. The game was between the Los Angeles Rams and the Pittsburgh Steelers, with the Steelers winning the game 31-19.