1. The Iowa Constitution was ratified on March 4, 1857, making Iowa the 29th state to join the Union. The constitution was created by a convention of delegates who met in Iowa City the previous year.

2. On March 4, 1875, the Iowa State Capitol building caught fire and burned to the ground. The fire started in the attic and quickly spread throughout the building, destroying all but one of the state's original Supreme Court chamber chairs. The current State Capitol building was completed in 1886.

3. In 1913, Des Moines hosted the first ever Iowa State Boys Basketball Tournament at the Iowa State Fairgrounds. The tournament featured twelve teams from across the state, with Muscatine being crowned the champion. The tournament became an annual event and is now held in Wells Fargo Arena in Des Moines.

4. On March 4, 1933, Franklin D. Roosevelt was inaugurated as the 32nd President of the United States. Though not an Iowan event, it was significant for Iowa as it marked the start of FDR's New Deal, which had a profound effect on the state and its people.

5. In 1985, the Iowa Women's Softball team won its first Big Ten Championship on March 4 with a 4-3 victory over Northwestern. This victory marked a turning point in the program's history and started a tradition of success that continues to this day.