nonviolence, civil disobedience that began the chance to change the course of our nation. in 1963, he organized the famous march on washington. in a strong voice delivered a speech with words that echo across the decades around the world. >> i have a dream. one day my children will live in a nation where they will not be judged by the color of their skin but the content of their character. >> shepard: months later, president johnson signed the u.s. civil rights act of 1964 and dr. king received the noble peace prize. months later, he died by bullet in memphis. historians say the nation has come a long way since dr. king lived and died. events of late were noted with