
March on Washington 50th anniversary —
Members of the Rev. Martin Luther King, Jr's family ring a bell on Wednesday, August 28, as President Barack Obama watches, during the Let Freedom Ring Commemoration and Call to Action to commemorate the 50th anniversary of the March on Washington for Jobs and Freedom at the Lincoln Memorial in Washington.

March on Washington 50th anniversary —
Rep. John Lewis of Georgia speaks during the ceremony, celebrating the 50 year anniversary of when Martin Luther King Jr. delivered his "I Have a Dream" speech.

March on Washington 50th anniversary —
President Barack Obama addresses the crowd gathered on the National Mall.

March on Washington 50th anniversary —
A light rain falls as the Rev. Al Sharpton addresses the crowd.

March on Washington 50th anniversary —
Throngs fill the mall to mark the 50th anniversary of the march and one of the most memorable speeches of the 20th century.

March on Washington 50th anniversary —
Undeterred by the rain, a covered woman listens to the speakers.

March on Washington 50th anniversary —
Actor Jamie Foxx speaks to the thousands of people gathered on the mall.

March on Washington 50th anniversary —
Actor Forest Whitaker speaks.

March on Washington 50th anniversary —
Former President Bill Clinton addresses the crowd.

March on Washington 50th anniversary —
First lady Michelle Obama and President Barack Obama arrive at the Lincoln Memorial, where King spoke 50 years ago.

March on Washington 50th anniversary —
Performers from the Bahamas dance a Junkanoo during the festivities.

March on Washington 50th anniversary —
Traditional Maori dancers from New Zealand's Destiny Church perform during the commemoration.

March on Washington 50th anniversary —
The Rev. Joseph Lowery speaks in front of the Lincoln Memorial during the ceremony.

March on Washington 50th anniversary —
Attendees wear plastic rain ponchos as rain falls during the event.

March on Washington 50th anniversary —
A park ranger holds an umbrella as Oprah Winfrey speaks during the event.

March on Washington: 50th anniversary —
People gather at the Lincoln Memorial for the celebration.

March on Washington: 50th anniversary —
Trumpeter Geraldo Marshall opens Wednesday's ceremonies at the Lincoln Memorial.

March on Washington: 50th anniversary —
Stanley Samuels and Rita Samuels, from Atlanta,left, and Sammie Whiting-Ellis, from Washington, wait for the anniversary program to begin.

March on Washington: 50th anniversary —
Peter Yarrow, left, and Paul Stookey, right, of the folk trio Peter, Paul and Mary, stand with Trayvon Martin's parents, Sybrina Fulton and Tracy Martin, at Wednesday's celebration.

March on Washington: 50th anniversary —
People brave light rain as they participate in the march's anniversary.

March on Washington: 50th anniversary —
A woman wearing a T-shirt commemorating the anniversary stands at the Lincoln Memorial in Washington.

March on Washington: 50th anniversary —
Country singer LeAnn Rimes sings "Amazing Grace" in preparation for her performance during the Let Freedom Ring ceremony, on the steps of the Lincoln Memorial in Washington an August 28.

March on Washington: 50th anniversary —
People march from Capitol Hill to the Lincoln Memorial on August 28.

March on Washington: 50th anniversary —
A member of the U.S. Army National Guard watches as thousands of people march from Capitol Hill to the Lincoln Memorial in Washington on August 28.

March on Washington: 50th anniversary —
John Mbugua and his son Giovanni, of San Jose, California, march with thousands of other people from Capitol Hill to the Lincoln Memorial, honoring the 50th anniversary of the March on Washington on August 28.