1. In 1851, the Indiana Constitution was revised to remove a clause that prohibited African Americans from living in the state. This revision was a significant step forward for civil rights in Indiana.

2. On February 18, 1861, Jefferson Davis was inaugurated as the President of the Confederate States of America. While this event did not take place in Indiana, it marked the beginning of a turbulent period in American history which had lasting impacts on the state.

3. In 1930, actor Robert Morse was born in Newton, Massachusetts. While not an Indiana native, Morse attended college at the University of Indiana in Bloomington and later performed on stages across the state.

4. February 18, 1997, saw the first episode of the sitcom "Ellen" in which Ellen DeGeneres came out as a lesbian. This groundbreaking moment in television history helped to further LGBTQ+ rights and representation in Indiana and beyond.

5. Finally, on February 18, 2010, the basketball coach for Indiana University, Bob Knight, was inducted into the Hoosier Legends Hall of Fame. Knight is widely regarded as one of the greatest coaches in college basketball history, and his legacy continues to be felt in Indiana sports culture today.