1. In 1980, the worst jailhouse riot in Tennessee occurred at the Tennessee State Prison in Nashville. It lasted for three days and resulted in the deaths of three inmates and several injuries.

2. On July 27, 1862, Union troops under the command of General William Rosecrans defeated Confederate forces at the Battle of Tullahoma. This victory helped secure Union control of Middle Tennessee.

3. The legendary country music radio program "Grand Ole Opry" made its debut on July 27, 1925, in Nashville. Originally called "WSM Barn Dance," it featured live country music performances and is still broadcast today.

4. Tennessee native, Wilma Rudolph became the first American woman to win 3 gold medals in a single Olympic games at the 1960 Summer Olympics in Rome. She won gold in the 100m, 200m, and 4x100m relay.

5. On July 27, 1984, a group of firefighters from Memphis traveled to Los Angeles to help fight a massive wildfire that had been raging for several weeks. Their efforts were instrumental in helping to control the fire, and they were honored for their bravery and service upon their return to Tennessee.