1. In 1862, Andrews' Raiders, also known as the Great Locomotive Chase, occurred in Indiana. A group of Union soldiers stole a train from a Confederate camp in Georgia and attempted to destroy railways and telegraph lines to disrupt Confederate communication during the American Civil War. The Raiders were eventually caught in Indiana, and several of them were executed.

2. In 1945, President Franklin D. Roosevelt passed away on April 12. News of his death shocked the nation, as he had led the country through some of its most trying times, including the Great Depression and World War II.

3. On April 12, 1963, Reverend Martin Luther King Jr. was arrested in Birmingham, Alabama for violating a court injunction banning protests. This led to his famous "Letter from Birmingham Jail" in which he outlined the reasons for civil disobedience and the importance of fighting for justice.

4. In 1988, the USS Indiana (SSN 789) was commissioned, becoming the fourth ship to bear the name of the state. The submarine is a Virginia-class vessel and is currently in active service in the United States Navy.

5. In 2012, Indiana University's men's basketball team reached the NCAA championship game on April 12. Despite losing to the University of Kentucky, the team's unexpected run to the final captured the hearts of Hoosier basketball fans and reminded the state of its storied basketball tradition.