Though the holiday is young, this will only be the 25th year that all 50 states recognize it together. Here's what's open and closed on Martin Luther King Jr. Day.

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,

Martin Luther King Jr., a reverend and civil-rights activist, was assassinated at 39. However, he inspired several movements and political changes.