1. In 1945, Kentucky-born Harry S. Truman became the 33rd President of the United States following the death of Franklin D. Roosevelt. Truman served as president for nearly eight years and oversaw the end of World War II and the beginning of the Cold War.

2. The Kentucky State Capitol building in Frankfort was dedicated on June 9, 1910. The capitol features a dome made of Beaux-Arts style, and it houses the offices of the Governor, Lieutenant Governor, and other state officials.

3. On June 9, 1792, Kentucky became the 15th state to join the Union. The state is known for its rich history in horse racing, bourbon production, and coal mining, as well as its famous Fried Chicken.

4. In 1863, Kentucky-born Union General William "Bull" Nelson was killed by a fellow officer during an altercation in Louisville. Nelson was known for his bravery during the Civil War and was responsible for holding back Confederate forces in the Western theater.

5. On June 9, 1886, the Louisville and Nashville Railroad opened a new rail line from Louisville to Nashville, which helped to connect the two cities and boost economic growth in the region. The railway played a key role in the transportation of goods and people throughout Kentucky and the South.