1. On April 6, 1865, the Battle of Selma took place during the American Civil War. Union troops under the command of General James H. Wilson defeated Confederate soldiers defending the town, marking a significant victory in the Union's campaign to take control of Alabama.

2. On April 6, 1924, legendary baseball player and Alabama native Hank Aaron was born in Mobile. Aaron went on to have a storied career, breaking Babe Ruth's home run record and earning a place in the Baseball Hall of Fame.

3. On April 6, 1945, a tornado outbreak swept across Alabama, killing 31 people and causing widespread damage. The storms were part of a larger outbreak that affected several Southern states.

4. On April 6, 1968, civil rights leader Dr. Martin Luther King Jr. gave his final speech at Mason Temple in Memphis, Tennessee. King was assassinated the following day, sparking riots across the United States and leading to increased activism in the civil rights movement.

5. On April 6, 2010, the Deepwater Horizon oil rig exploded in the Gulf of Mexico, causing the largest marine oil spill in history. The spill, which lasted for several months, had devastating environmental and economic impacts on the Gulf Coast region, including Alabama's coastal communities.