1. In 1796, Kentucky became the 15th state to join the Union. As a newly admitted state, it was represented in the first US Congress which convened on September 19, 1796.

2. On September 19, 1863, Confederate General Braxton Bragg led an attack on Union troops at Chickamauga Creek in Georgia. The battle resulted in a Confederate victory and was one of the bloodiest of the Civil War, with over 34,000 casualties.

3. In 1881, the Louisville Cement Company was founded in Kentucky. This was an important development as cement was becoming increasingly important in construction, particularly for infrastructure projects like roads, bridges, and buildings.

4. September 19, 1919 marked the opening of the Kentucky State Fair in Louisville. The fair was held annually and included a variety of attractions such as carnival rides, agricultural exhibits, and live entertainment.

5. On September 19, 1997, Kentucky Derby winner Silver Charm was retired from racing. Silver Charm won the 1997 Kentucky Derby and Preakness Stakes, narrowly missing out on a Triple Crown win when he finished second in the Belmont Stakes. Despite this disappointment, Silver Charm remains one of the most beloved racehorses in Kentucky history.