On Feb. 24, 1868 the House voted to impeach President Andrew Johnson, who succeeded Abraham Lincoln as president of the United States.
He became a leader of the abolitionist movement after escaping slavery in 1838, and went on to become an excellent lecturer and writer.
On this date in 1644 the first "legal" protest by Africans in America occurred.
White supremacist Byron De La Beckwith was convicted in the murder of African-American civil rights leader Medgar Evers, over 30 years after the crime occurred.
An activist, showman, and cultural icon, Ali was stripped of his title a few years later for refusing to fight in Vietnam.
Harry S. McAlpin made history when he became the first African American journalist admitted to a White House press conference.
Bob Marley, who introduced reggae to the world and gave voice to the passion of oppressed people, was born 68 years ago in the Jamaican village of Nine Mile.