1. On March 6, 1821, the Tennessee General Assembly granted a charter for the East Tennessee College, which later became the University of Tennessee. The school opened its doors in Knoxville in 1794 and has since become one of the largest and oldest public universities in the United States.

2. March 6, 1869, marked the first day of session for the newly-reconstructed Tennessee General Assembly. This session saw the passage of several important laws and constitutional amendments, including the ratification of the Fifteenth Amendment to the United States Constitution, which granted voting rights to African American men.

3. In 1951, Tennessee became the first state in the United States to offer free freshman college education to its residents, thanks to the popular "Tennessee Plan." This groundbreaking program allowed thousands of young people to pursue higher education and set a precedent for similar programs across the country.

4. On March 6, 1961, Nashville's famous Music Row district was added to the National Register of Historic Places. This area has long been a hub for the music industry and home to some of the most famous recording studios in the world.

5. Finally, on March 6, 1974, Tennessee's state highway system underwent a major overhaul and reorganization. This new system was designed to simplify and streamline the state's roads and highways, improve safety, and reduce confusion for drivers. Today, Tennessee boasts more than 16,000 miles of state-maintained highways and roads.