Around the nation and the world
- 1920, Women are given the right to vote with the passage of the 19th Amendment to the United States constitution.
- 1920, The American Professional Football League is formed in 1920 with eleven teams. It would change its name to the National Football League in 1922.
- 1923, Time Magazine is published for the first time.
- 1924, The first Winter Olympic Games are held in the French Alps in Chamonix, France.
- 1924, J. Edgar Hoover is appointed to lead the Federal Bureau of Investigation.
- 1928, The first appearance of Mickey and Minnie Mouse on film occurs with the release of the animated short film, Plane Crazy.
- 1928, Amelia Earhart becomes the first woman to fly over the Atlantic Ocean.
- 1929, Postwar prosperity ends in the 1929 Stock Market crash.
Around campus
- 1920, There were nine members on the civil engineering instruction staff.
- 1922, VEISHEA, the nation’s first and largest student-run festival, is started by combining the festivals celebrated by each division. The letters stand for the first letters of the divisions: V—Veterinary Medicine, E—Engineering, IS—Industrial Science, HE—Home Economics, A—Agriculture.
- 1923, After the war, the civil engineering camp was first established in 1923, Brown’s Bay on Rainy Lake in northern Minnesota in the Minnesota State Forest Preserve. This could only be reached by boat.
- 1923, Jack Trice, Iowa State’s first African American football player, is mortally injured during a game against Minnesota. In 1997, the football stadium is officially named in his honor.
- 1923, After burning in 1922, the Armory is rebuilt for $155,000.
- 1924, The master’s degree in civil engineering was first conferred upon two men in 1924.
- 1927, There was no record of a doctoral degree in Civil Engineering until 1927.
- 1928, The first section of the Memorial Union is completed as a memorial to the Iowa State men and women who lost their lives in World War I.