1. In 1838, the Iowa District Court was held for the first time in Lee County, marking an important milestone in the state's judicial system.

2. May 24, 1846, saw the first significant engagement of the Mexican-American War in Iowa when Lieutenant Lucien Loeser and his men attacked and captured the Mexican fort at Palo Alto.

3. In 1872, the first Memorial Day observances were held in Iowa, as many communities across the state honored fallen soldiers from the Civil War.

4. On May 24, 1934, Bonnie and Clyde were rumored to be in Iowa, and a shootout with law enforcement occurred near Dexter. Two highway patrolmen were injured but survived, and the notorious outlaw duo escaped.

5. May 24, 1980, marked the opening of the Iowa State Capitol's newly renovated Law Library, featuring a collection of rare legal documents and books dating back to the 15th century.