1) On October 10, 1854, the Iowa State Agricultural Society was founded. The society aimed to promote and improve agriculture in the state through education and experimentation.

2) In 1927, a deadly tornado struck the town of Promise City, Iowa on October 10, killing 17 people and causing extensive damage.

3) On October 10, 1943, Iowa native and baseball legend Bob Feller pitched a one-hit shutout in Game 5 of the World Series, helping the Cleveland Indians to a 4-0 victory over the Boston Red Sox.

4) The University of Northern Iowa was founded on October 10, 1876 as the Iowa State Normal School. The institution has since grown to become a comprehensive university with a wide range of academic programs.

5) On October 10, 1967, the University of Iowa's Iowa Writer's Workshop hosted a reading by African American poet and author Gwendolyn Brooks. This event was significant in helping to establish the workshop as a leading center for creative writing in the United States.