Martin Luther King Jr., a man who embodied the U.S. civil rights movement, was assassinated more than 50 years ago on April 4, 1968. Here are some key facts about his life. Early life Martin Luther King Jr. was born Jan. 15, 1929, in Atlanta, Georgia. He was the son of Martin Luther King Sr., a prominent local preacher and civil rights leader, and Alberta King, a former schoolteacher. King says he first became conscious of racism at age 6, when a white friend’s father wouldn’t allow his son from playing with him. Organizing protests King rose to prominence in the mid-1950s when as a young preacher he led the successful drive to desegregate public buses in Montgomery, Alabama, forcing the city to end its practice of segregating black passengers. He organized protests throughout the 1950s and 1960s against Southern segregation in the struggle for black equality and voting rights. FILE - Martin Luther King Jr. and other civil rights marchers cross the Edmund Pettus B...