On November 21 in Tennessee history, several significant events occurred that shaped the state's culture, history, and economy. Here are five interesting facts about this day:

1. On November 21, 1789, North Carolina ceded its westward land claims to the U.S. government, which included what is now Tennessee. This created the Southwest Territory, which would later become the state of Tennessee in 1796.

2. In 1864, during the Civil War, the Battle of Griswoldville took place in Georgia. Many Confederate soldiers who fought in this battle were from Tennessee, including the 5th, 6th, 19th, and 24th Tennessee Infantry Regiments.

3. November 21, 1929, marked the opening of the Tennessee Aquarium in Chattanooga, TN. It is now one of the largest freshwater aquariums in the world, featuring over 12,000 animals.

4. On November 21, 1963, President John F. Kennedy visited Tennessee and gave a speech at Vanderbilt University in Nashville. This was just two days before his assassination in Dallas, TX.

5. In 2016, the Great Smoky Mountains were devastated by wildfires that began on November 21. The fires burned over 17,000 acres and caused 14 deaths, making it one of the worst natural disasters in Tennessee history.

These five facts demonstrate the diverse range of historical events that have occurred on November 21 in Tennessee, from territorial changes and important battles to cultural attractions and natural disasters.