1. Tennessee Became a State: On April 23, 1796, Tennessee officially became the 16th state of the United States. It was the first state admitted after the original 13 colonies and had a population of about 77,000 residents.

2. Battle of Bean Station: A significant Civil War battle occurred in Bean Station, Tennessee, on April 23, 1864. Confederate forces under Lt. Gen. James Longstreet faced off against Union Gen. Ambrose Burnside's troops. The Confederates won, but the Union forces were able to regroup in Knoxville.

3. Mary Priscilla Johnson: Born on April 23, 1926, in Nashville, Mary Priscilla Johnson became the first African American librarian in the city's public library system. She worked her way up from page to librarian and was known for her passion for educating children.

4. Appalachian Trail Completion: On April 23, 1936, the last section of the Appalachian Trail was completed in Gatlinburg, Tennessee. The 2,200-mile trail stretches from Georgia to Maine and is a popular destination for hikers and outdoor enthusiasts.

5. Elvis Presley's Mansion: Elvis Presley's infamous Graceland mansion in Memphis opened to the public on April 23, 1982. Visitors can explore the King of Rock and Roll's former home, which includes displays of his costumes, cars, and personal belongings.