1. Battle of Chickamauga: On September 18, 1863, one of the bloodiest battles of the American Civil War, the Battle of Chickamauga, began in Northwest Georgia, just south of the Tennessee border. Union General William Rosecrans led his troops against Confederate General Braxton Bragg in what would become a major victory for the Confederacy.

2. Tennessee becomes a state: On September 18, 1796, Tennessee was admitted to the Union as the 16th state. Known as the "Volunteer State," Tennessee has a rich history and is known for its contributions to music, agriculture, and culture.

3. Dolly Parton's Imagination Library: On September 18, 1995, Dolly Parton launched her Imagination Library in Sevier County, Tennessee. The program sends free books to children from birth to age five in participating communities. As of 2020, the program has distributed over 147 million books worldwide.

4. First train robbery in Tennessee: On September 18, 1866, the first train robbery in Tennessee occurred in the town of Jonesborough. Confederate veterans William Hutchens and Wallace Wells stopped a train and made off with $10,000 in gold and cash.

5. Women's suffrage in Tennessee: On September 18, 1920, Tennessee became the 36th state to ratify the 19th Amendment to the U.S. Constitution, granting women the right to vote. This action was the culmination of years of activism and advocacy by women across the country, including Tennessee suffragist Anne Dallas Dudley.