The Rev. Martin Luther King Jr., who spent his life fighting American injustice, was born Jan. 15, 1929, and his birthday, made a federal holiday late in 1983, is celebrated every year on the third Monday in January.

The Rev. Martin Luther King Jr., who spent his life fighting American injustice, was born Jan. 15, 1929, and his birthday, made a federal holiday late in 1983, is celebrated every year on the third Monday in January.