1. Birth of Herbert Hoover: On January 10, 1874, Herbert Hoover, the 31st President of the United States, was born in West Branch, Iowa. His birthplace has been preserved as a historic site and museum.

2. First Flight in Iowa: On January 10, 1910, aviator Eugene Ely made the first airplane flight ever in Iowa, at the Iowa State Fairgrounds in Des Moines. He flew a Curtiss biplane for about eight minutes, performing aerial stunts for a crowd of thousands.

3. Iowa State University Established: On January 10, 1858, the Iowa State Agricultural College and Model Farm was established in Ames, Iowa. It later became Iowa State University, one of the leading research institutions in the Midwest.

4. Record Cold Temps: On January 10, 1937, the town of Washta, Iowa recorded the state's coldest temperature ever, at -47 degrees Fahrenheit. The same day, other towns across Iowa also reported record-breaking low temperatures.

5. First African American Mayor: On January 10, 1966, Harold Hughes was inaugurated as the first African American mayor of a major Iowa city, Des Moines. Hughes went on to serve as governor of Iowa from 1969 to 1975.