1. On March 20, 1865, Confederate forces under General Nathan Bedford Forrest attacked and captured Union-held Fort Thompson in Bolivar, Tennessee during the Civil War.

2. On March 20, 1913, the Tennessee General Assembly passed the "Daylight Saving Time Bill," making Tennessee one of the first states to observe the practice of setting clocks ahead by one hour during the summer months.

3. On March 20, 1969, the Memphis Sanitation Strike came to an end after 65 days of protests and demonstrations, with the city agreeing to recognize the sanitation workers' union and provide higher wages and better working conditions.

4. On March 20, 1980, the final section of I-24 opened in Tennessee, completing the interstate highway that runs from Chattanooga to the Kentucky border, providing a major transportation artery for the state.

5. On March 20, 2013, Tennessee Governor Bill Haslam signed into law a bill that allowed the state to opt out of participating in Medicaid expansion under the Affordable Care Act, a controversial decision that has had significant impacts on healthcare coverage in the state.