1. In 1800, the Indiana Territory was officially established, with William Henry Harrison serving as the first governor.

2. On April 30, 1858, the first train arrived in Indianapolis on the Indianapolis and Bellefontaine Railroad. This marked a significant moment in the city's history and sparked a boom in transportation and commerce.

3. In 1937, the worst flood in Indiana's history struck, affecting over one million people and causing extensive damage throughout the state. The flood was caused by heavy rainfall combined with rapidly melting snow, and many communities were left devastated in its wake.

4. On April 30, 1967, the Indianapolis 500 race was broadcast live on television for the first time. The race had previously only been broadcast on tape delay, but the live broadcast helped to solidify the event's status as a major spectacle and draw millions of viewers each year.

5. In 1988, the last remaining covered bridge in Indiana was destroyed by arsonists. The bridge, located in Putnam County, was a historic landmark and a popular tourist attraction. Its destruction sparked outrage and efforts to preserve other covered bridges throughout the state.