Fifty years ago, up to 250,000 Americans marched into Washington to hear Martin Luther King declare his dreams for the future. It was a speech that defined the civil rights movement.
Today, thousands have returned to Lincoln Memorial to remember the day that became a catalyst for reform in the United States.
ITV News' Special Correspondent Rageh Omaar reports.
Tens of thousands of Americans have gathered in Washington to mark 50 years since Martin Luther King made his I Have a Dream speech.
Today marks 50 years since Martin Luther King's famous I Have a Dream speech - but how far has America come in realising that dream?