1. In 1926, the Indiana State Board of Accounts issued a report on the Marion County Sheriff's Office, finding irregularities and mismanagement in the handling of funds. This was part of a wider investigation into corruption in Indiana politics in the early 20th century.

2. On March 16, 1930, the Indianapolis Motor Speedway hosted the inaugural AAA National Championship race, which was won by driver Cliff Woodbury. This marked the beginning of a new era in American auto racing, as the series would eventually evolve into the modern-day IndyCar series.

3. In 1948, the Supreme Court of the United States heard oral arguments in the landmark case of McCollum v. Board of Education, which challenged the practice of allowing religious instruction in public schools. The case originated in Champaign, Illinois but had important implications for the separation of church and state in Indiana and throughout the country.

4. On March 16, 1954, the Indiana General Assembly passed the first state law in the United States requiring the use of seat belts in automobiles. This legislation marked a major step forward in public safety and would eventually lead to the widespread adoption of seat belts in vehicles across the country.

5. In 1994, Indiana University basketball player Damon Bailey scored his 2060th career point, setting a new all-time scoring record for the state of Indiana. Bailey played for Indiana University from 1990-1994 and is widely regarded as one of the greatest basketball players in Indiana history.