1. In 1792, Kentucky became the fifteenth state of the United States. It was the first state west of the Appalachian Mountains to be admitted to the Union.

2. On June 10, 1801, the city of Lexington was officially incorporated. It was named in honor of the Revolutionary War Lexington, Massachusetts.

3. In 1861, during the Civil War, Confederate forces under General Simon Bolivar Buckner captured the city of Bowling Green, Kentucky. The city remained under Confederate control until it was retaken by Union forces in 1862.

4. In 1942, the U.S. Army established Camp Breckinridge near Morganfield, Kentucky. The camp was used as a training facility during World War II and was home to over 50,000 soldiers at its height.

5. On June 10, 1978, horse racing legend Affirmed won the Belmont Stakes, becoming the twelfth horse in history to win the Triple Crown. Affirmed was trained by Kentucky native Laz Barrera and was bred by Kentucky-based breeder Louis Wolfson.