Indiana became the 19th state to join the United States of America.
Source
Segregation led many students to walk out of Froebel High School, Gary, Indiana.
The first Indianapolis 500 is held.
Sylvanus Bowser's invention of the gasoline pump was delivered to a dealer in Fort Wayne, Indiana, US.
Balloonist John Wise started the world's first airmail service by balloon from Lafayette to Crawfordsville, Indiana.
The bank robber John Dillinger and his gang robbed $75,000 from the Central National Bank in Greencastle, Indiana.
