The U.S. is marking Martin Luther King Jr. Day, a federal holiday. But in Alabama and Mississippi, it's also Robert E. Lee Day, in honor of the Confederate general.

Hundreds gathered in downtown Tuscaloosa to observe the birthday of the late civil rights leader Martin Luther King Jr.

Martin Luther King Jr. might have been a giant in the Civil Rights Movement, but at home, the doting father of four was simply dad. As we observe what would have been his 96th birthday, look back at some of his family photos with his children Yolanda,