1. The Battle of Chickamauga was fought on September 17, 1863, in northern Georgia, just south of the Tennessee border. It was one of the bloodiest battles of the Civil War, with over 34,000 casualties, and marked the end of the Union's advance into the Confederacy.

2. On September 17, 1920, a bomb exploded outside the building where the Knoxville branch of the NAACP was headquartered, damaging the building and killing one person. The attack was part of a wave of violence against the civil rights organization and its members in the early 20th century.

3. Tennessee native Davy Crockett's birthday is celebrated on September 17. Born in 1786, Crockett was a frontiersman, politician, and folk hero who served in the U.S. House of Representatives and died fighting at the Battle of the Alamo in 1836.

4. The University of Tennessee's football team played its first game on September 17, 1892, against a local club team called the Knoxville Athletic Club. The Volunteers won 25-0 in front of a crowd of around 500 spectators.

5. On September 17, 1991, the first episode of "Home Improvement," a popular sitcom starring Tennessee native Tim Allen, aired on ABC. The show ran for eight seasons and won multiple awards, cementing Allen's status as a household name.