Members of the King family, including Martin Luther King III, second from right, and his wife Arndrea. at right, with their daughter Yolanda Renee, lay a wreath at the tomb of slain civil rights leader Rev. Martin Luther King Jr., and his wife Coretta Scott King, on his federal holiday in Atlanta, Georgia, January 17, 2011. Martin Luther King Holiday is always celebrated on the third Monday in January, close to King's birthday on January 15. The slain civil rights leader would have been 82-years-old this year.