![U.S. President Barack Obama Speaks During The Let Freedom Ring Ceremony At The Lincoln Memorial August U.S. President Barack Obama Speaks During The Let Freedom Ring Ceremony At The Lincoln Memorial August](https://previews.123rf.com/images/americanspirit/americanspirit1312/americanspirit131200227/24619371-%EB%B2%84%EB%9D%BD-%EC%98%A4%EB%B0%94%EB%A7%88-%EB%AF%B8%EA%B5%AD-%EB%8C%80%ED%86%B5%EB%A0%B9%EC%9D%80-%EB%A7%88%ED%8B%B4-%EB%A3%A8%ED%84%B0-%ED%82%B9-%EC%A3%BC%EB%8B%88%EC%96%B4-martin-luther-king-jr-%EB%B0%95%EC%82%AC%EC%9D%98-%EA%BF%88%EC%9D%B4%EC%9E%88%EB%8B%A4-%EC%97%B0%EC%84%A4-50-%EC%A3%BC%EB%85%84%EC%9D%84-%EA%B8%B0%EB%85%90-%ED%95%B4-2013-%EB%85%84-8-%EC%9B%94-28-%EC%9D%BC-%EC%9B%8C%EC%8B%B1%ED%84%B4-dc%EC%97%90%EC%84%9C-%EB%A7%81%EC%BB%A8.jpg)
U.S. President Barack Obama Speaks During The Let Freedom Ring Ceremony At The Lincoln Memorial August
![Photo: Let Freedom Ring event held to commemorate the 50th anniversary of the 1963 March on Washington - WAX20130828219 - UPI.com Photo: Let Freedom Ring event held to commemorate the 50th anniversary of the 1963 March on Washington - WAX20130828219 - UPI.com](https://cdnph.upi.com/pv/upi/6906b04a01261059eff7ebc0a46831b3/USA-CIVIL-RIGHTS-OBAMA.jpg)
Photo: Let Freedom Ring event held to commemorate the 50th anniversary of the 1963 March on Washington - WAX20130828219 - UPI.com
![US President Barack Obama (R) delivers remarks in front of a freedom bell during the 'Let Freedom Ring' commemoration event, as (back L to R); former US President Jimmy Carter, former US US President Barack Obama (R) delivers remarks in front of a freedom bell during the 'Let Freedom Ring' commemoration event, as (back L to R); former US President Jimmy Carter, former US](https://c8.alamy.com/comp/KPBEKW/us-president-barack-obama-r-delivers-remarks-in-front-of-a-freedom-KPBEKW.jpg)
US President Barack Obama (R) delivers remarks in front of a freedom bell during the 'Let Freedom Ring' commemoration event, as (back L to R); former US President Jimmy Carter, former US
![President Obama to deliver speech on his vision 50 years after Martin Luther King's famous address | Daily Mail Online President Obama to deliver speech on his vision 50 years after Martin Luther King's famous address | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/08/28/article-2403775-1B81A10A000005DC-27_964x611.jpg)
President Obama to deliver speech on his vision 50 years after Martin Luther King's famous address | Daily Mail Online
![President Obama calls upon Americans to overcome divisions as he marks 50th anniversary of civil rights leader Martin Luther King Jr's historic 'I have a dream' speech | The Independent | The Independent President Obama calls upon Americans to overcome divisions as he marks 50th anniversary of civil rights leader Martin Luther King Jr's historic 'I have a dream' speech | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2013/08/28/21/Obama-mlk-gt.jpg?quality=75&width=982&height=726&auto=webp)
President Obama calls upon Americans to overcome divisions as he marks 50th anniversary of civil rights leader Martin Luther King Jr's historic 'I have a dream' speech | The Independent | The Independent
![President Barack Obama and First Lady Michelle Obama wave to the crowd at the end of the Let Freedom Ring ceremony | The White House President Barack Obama and First Lady Michelle Obama wave to the crowd at the end of the Let Freedom Ring ceremony | The White House](https://obamawhitehouse.archives.gov/sites/default/files/imagecache/gallery_img_full/image/image_file/p082813ps-0847.jpg?itok=xoeSu_am)