1. On July 15, 1907, Amos Alonzo Stagg became the head football coach at the University of Tennessee. Stagg had a successful coaching career, leading various college teams to many wins.

2. In 1948, on July 15, construction began on the atomic power plant in Oak Ridge, Tennessee. The plant was part of the Manhattan Project and was instrumental in developing the atomic bomb.

3. On July 15, 1961, Elvis Presley performed a concert at the Coliseum in Nashville, Tennessee. The concert was part of his famous "Elvis is Back" tour and was a huge success.

4. In 1980, on July 15, the Tennessee General Assembly designated the square dance as the official state dance. Square dancing has a rich history in Tennessee and is still a popular tradition in many parts of the state.

5. On July 15, 2004, the Tennessee Titans announced plans for a new stadium in downtown Nashville. The stadium, now known as Nissan Stadium, opened in 1999 and is home to the Titans and many other events throughout the year.