1. In 1835, the first railroad line in Kentucky was chartered to run from Louisville to Lexington, paving the way for the state's transportation industry.

2. The Battle of Tebbs Bend, a Civil War skirmish, took place on June 30, 1863, in Green County, where Union forces successfully repelled a Confederate attack.

3. On June 30, 1936, the first public air conditioning in Kentucky was installed at the Strand Theatre in Louisville, revolutionizing entertainment and commercial buildings across the state.

4. The Kentucky State Police was officially established on June 30, 1948, marking a new era of law enforcement in the state.

5. June 30, 2008, saw the reopening of the Kentucky Kingdom amusement park in Louisville, which had closed in 2004 and underwent extensive renovations before welcoming visitors back.