![Dr. Martin Luther King, Jr. speaking before a crowd of 25,000 civil rights marchers, in Montgomery (Alabama) on March 25, 1965.](https://imagenes.elpais.com/resizer/v2/UN5W5XRGZJBZTKDSQ6QMTLKALY.jpg?auth=696f9c6a5600a56020a2e82ce39dbde275553aea0371d0f8ec404ea699cfd92b&width=414&height=233&smart=true)
Martin Luther King Jr: 55 years after his assassination
Dr. King was leading efforts against poverty, capitalism and the Vietnam War when he was shot, more than half a century ago
Dr. King was leading efforts against poverty, capitalism and the Vietnam War when he was shot, more than half a century ago