1. In 1852, the Indiana State Fair Association was organized in Indianapolis. The first state fair was held in October of that year, making Indiana one of the earliest states to hold an annual state fair.

2. In 1957, the Indianapolis Symphony Orchestra gave its first performance in Clowes Memorial Hall at Butler University. The orchestra has since become one of the most respected and beloved cultural institutions in the state.

3. In 1964, the Beatles played at the Indiana State Fairgrounds Coliseum in Indianapolis. The concert was part of the band's first American tour, and was attended by over 11,000 screaming fans.

4. In 1988, the NCAA Men's Basketball Final Four was held at the Hoosier Dome in Indianapolis. The Final Four is one of the biggest events in college sports, and this was the first time the championship had been held in Indiana.

5. In 2015, the Religious Freedom Restoration Act was signed into law by Governor Mike Pence. The law, which was controversial from the start, was intended to protect religious freedom, but was widely criticized for its potential to allow discrimination against LGBT individuals. The law was eventually amended to clarify its intent and scope.