50 years ago today, America halts and the world changes

King delivers a speech. Photo: Universal History Archive / UIG via Getty Images

The 1968 bulletin ... "MEMPHIS, TENN., APRIL 4 (AP) Nobel Laureate Martin Luther King Jr., father of nonviolence in the American civil rights movement, was killed by an assassin's bullet Thursday night."

Why it matters, from an AP retrospective: "King’s death changed the world and altered the lives of those who lived through it. Some would spend the rest of their lives fighting for racial equality and economic justice"