1. Andrew Johnson's Impeachment Trial Began
On September 30, 1868, the impeachment trial of President Andrew Johnson began. The trial took place in the Senate, where Johnson was being charged with violating the Tenure of Office Act after he attempted to dismiss Secretary of War Edwin Stanton from his cabinet. Although the trial would ultimately result in Johnson's acquittal, it remains one of the most significant events in American political history.

2. Tennessee Statehood Day
September 30th is Tennessee Statehood Day, celebrating the day in 1796 when Tennessee became the 16th state in the United States of America. Initially part of North Carolina, Tennessee was ceded to the federal government in 1790 and became a territory in its own right in 1794 before finally attaining statehood two years later.

3. The Battle of Franklin
On September 30, 1864, the Civil War's Battle of Franklin took place in Tennessee. The Confederate Army attempted to invade Tennessee as a part of a larger military campaign, but their army suffered tremendous losses in Franklin, with over 6,000 soldiers casualties by the end of the day. The battle marked a significant turning point in the Civil War's Western Theater.

4. The Scopes Monkey Trial
On September 30, 1925, the Scopes Monkey Trial began in Dayton, Tennessee. The trial centered on a high school science teacher named John Scopes, who was accused of violating Tennessee state law for teaching the theory of evolution in his class. The trial became a national sensation and is remembered as a significant moment in the ongoing tensions between science and religion in the United States.

5. Music City Walk of Fame
Since 2009, the Music City Walk of Fame in Nashville, Tennessee, has been celebrating the best of Music City. On September 30th, 2016, the latest round of inductees included musician and songwriter Garth Brooks, actress and singer Crystal Gayle, and the legendary recording engineer and producer, Owen Bradley. The Music City Walk of Fame is a must-visit for any music lover visiting Nashville.