1. In 1817, the Alabama Territory was created by an act of Congress, making March 3 the official date of its establishment.

2. On March 3, 1875, the Alabama state legislature passed the Civil Rights Act, which granted equal rights to all citizens regardless of race. However, the law was largely unenforced and ineffective until the Civil Rights Movement of the 1950s and 60s.

3. The Alabama State Capitol building was completed on March 3, 1851. The building was designed by Georgia architect William Nichols and features a distinctive spiral staircase and dome.

4. In 1965, the Selma to Montgomery March began on March 3rd. The march was organized by voting rights activists in response to the violent police response to a similar march earlier that month. The marchers faced significant opposition and violence along the way, but ultimately succeeded in getting the Voting Rights Act of 1965 passed.

5. On March 3, 1935, the famous "Scottsboro Boys" trial began in Scottsboro, Alabama. Nine black men were falsely accused of raping two white women and were subjected to a series of unfair trials and legal proceedings. The case became a symbol of the racism and injustice of the Jim Crow era in the South.