Martin Luther King Jr.
Biography
Martin Luther King Jr. was a prominent leader of the civil rights movement from 1955 until his assassination in 1968. He advanced civil rights for people of color through nonviolent resistance and civil disobedience against Jim Crow laws, leading pivotal events such as the Montgomery bus boycott and the March on Washington, where he delivered his iconic "I Have a Dream" speech. King was a key figure in the 1965 Selma voting rights movement, organizing marches and facing violent standoffs with segregationist authorities.