1. In 1862, the Battle of Perryville took place in central Kentucky, which was significant for Tennessee history as it was fought between the Union Army of the Ohio, commanded by Major General Don Carlos Buell and the Confederate Army of Mississippi, commanded by General Braxton Bragg. The battle resulted in a Union victory and disrupted Confederate plans to control Kentucky.

2. In 1960, The Everly Brothers recorded their hit song "Cathy's Clown" at RCA Studio B in Nashville, Tennessee. The song topped the charts and became one of their biggest hits. The Everly Brothers were highly influential in rock and roll and country music and had a significant impact on the music industry.

3. In 1985, Tennessee Governor Lamar Alexander signed a law making the state's official tree the tulip poplar. The tulip poplar is the state tree of several other states, including Indiana and Kentucky, and is known for its beauty, strength, and versatility.

4. In 2002, Tennessee's first permanent indoor arena for basketball, the Bridgestone Arena, opened in downtown Nashville. The arena is the home of the NHL's Nashville Predators and has hosted numerous concerts and other events over the years. It has become a significant landmark in the city and a popular destination for locals and tourists alike.

5. In 2018, Tennessee Governor Bill Haslam signed a bill designating the square dance as the official state dance. Square dancing has a long history in Tennessee and has become a beloved tradition in many communities throughout the state. The designation recognizes the cultural significance of square dancing and its importance in Tennessee's heritage.