1. On April 27, 1865, the steamboat Sultana exploded and sank in the Mississippi River near Memphis, Tennessee, killing over 1,800 of the 2,400 passengers on board. The Sultana disaster remains the deadliest maritime accident in American history.

2. On April 27, 1971, the Tennessee River was designated a United States National Scenic Riverway by then-President Richard Nixon. The Tennessee River is 652 miles long and flows through Tennessee, Alabama, Mississippi, and Kentucky.

3. On April 27, 1993, Nashville's Opryland USA amusement park opened for its 21st season. The park, which operated from 1972 to 1997, was home to many famous roller coasters and water rides.

4. On April 27, 2011, Tennessee experienced a devastating outbreak of tornadoes that caused over $2 billion in damage and killed over 30 people across the state. The tornadoes were part of a larger outbreak across the southeastern United States that killed over 300 people.

5. On April 27, 2019, the 2019 NFL Draft took place in Nashville, Tennessee, marking the first time the annual event had been held in the state. Over 600,000 people attended the draft festivities, making it one of the largest events in Nashville's history.