1) In 1816, the first steamboat to navigate the Ohio River successfully arrived in Louisville. The steamboat, named the New Orleans, was built by Robert Fulton and Robert Livingston and was a major breakthrough for river transportation.

2) In 1862, Confederate General John Hunt Morgan led his cavalry on a raid through Kentucky, causing havoc for Union forces and civilians alike. The raid lasted for over a month and covered nearly 1,000 miles of territory.

3) In 1926, the city of Harlan, Kentucky was the site of a major labor dispute between coal miners and mine operators. The conflict, known as the Harlan County War, resulted in violence and several deaths before a resolution was reached.

4) In 1942, the United States Army established Camp Campbell (now Fort Campbell) near Hopkinsville, Kentucky. The base would become a major training ground for soldiers during World War II and continues to serve as an important military installation today.

5) In 1996, the massive Summer Olympics bombing in Atlanta, Georgia took place, killing one person and injuring over 100 others. The bombing was initially linked to a man from Kentucky, Richard Jewell, who was later cleared of any involvement. The incident remains one of the most infamous acts of domestic terrorism in U.S. history.