1. In 1912, Indianapolis held its first automobile race at the Indianapolis Motor Speedway. The race, dubbed the "International 500-Mile Sweepstakes," would eventually become the iconic Indy 500.

2. On February 15, 1820, the U.S. Congress passed the "Land Act of 1820," which allowed settlers to purchase land in Indiana for as little as $1.25 per acre. This helped encourage westward expansion and settlement in the state.

3. In 1915, the first high school basketball tournament was held in Indiana. The tournament, which was held in the city of Crawfordsville, featured 20 teams from across the state, and was won by the Crawfordsville team.

4. On February 15, 1865, Indiana Governor Oliver P. Morton signed a bill which established "Asylum for Feeble-Minded Youth" in Fort Wayne. The institution, which later became the Fort Wayne State Developmental Center, provided care and education for individuals with developmental disabilities.

5. In 1826, Abraham Lincoln visited the town of Gentryville, Indiana, where he spent a few weeks living with his sister Sarah and her husband. It is said that Lincoln was deeply influenced by his time in Indiana, and that his experiences living on the frontier helped shape his views on democracy and equality.