NEWSNew African-American museum opens in D.C.President Obama speaks at the opening of the Smithsonian's National Museum of African American History and Culture in Washington, D.C., on Sept. 24. The opening ceremonies of the 400,000-square-foot museum attracted thousands.Jim Lo Scalzo, European Pressphoto AgencyActor Samuel L. Jackson, right, greets the Rev. Jesse Jackson as they take their seats.Pablo Martinez Monsivais, APMembers of the audience are reflected in a buffer panel as President Obama speaks during the opening ceremony for the Smithsonian National Museum of African American History and Culture.Zach Gibson, AFP/Getty ImagesGiselle Shapiro of Los Angeles holds her hands in prayer on the Washington Monument grounds as she listens to President Obama speak.Cliff Owen, APPresident Obama begins to tear up while speaking at the dedication ceremony for the National Museum of African American History and Culture.Pablo Martinez Monsivais, APSinger Stevie Wonder performs at the dedication ceremony for the National Museum of African American History and Culture.Pablo Martinez Monsivais, APFirst lady Michelle Obama hugs former president George W. Bush during the dedication ceremony.Pablo Martinez Monsivais, APActor Chris Tucker, right, stops to talk with the Rev. Jesse Jackson as they take their seats.Pablo Martinez Monsivais, APSinger Dionne Warwick arrives for the dedication ceremony of the Smithsonian National Museum of African American History and Culture on the National Mall.Pablo Martinez Monsivais, APA young woman wears earrings with the slogan "Black Lives Matter" printed on them during the dedication ceremony.Cliff Owen, APPresident Obama, from left, first lady Michelle Obama, former president George W. Bush, and former first lady Laura Bush listen to Stevie Wonder sing.Manuel Balce Ceneta, APFormer U.S. attorney general Eric Holder, right, greets current Attorney General Loretta Lynch at the opening of the Smithsonian's National Museum of African American History and Culture.Jim Lo Scalzo, European Pressphoto AgencyBaseball great Hank Aaron arrives for the dedication ceremony of the Smithsonian National Museum of African American History and Culture.Pablo Martinez Monsivais, APLonnie Bunch, founding director of the National Museum of African American History and Culture, speaks during the dedication.Astrid Riecken, Getty ImagesPatti LaBelle performs "A Change Is Gonna Come" during the opening ceremony.Pool Photo By Olivier DoulieryPresident Obama and first lady Michelle Obama join up with the Bonner family to ring the onstage bell.Pool Photo By Olivier DoulieryActors Angela Bassett and Robert De Niro speak during the dedication.Astrid Riecken, Getty ImagesAmerican civil rights activist Jesse Jackson attends the dedication of the National Museum of African American History and Culture.Astrid Riecken, Getty ImagesOprah Winfrey and Will Smith speak at the opening ceremony.Pool Photo By Olivier DoulieryCongressman John Lewis, right, is embraced by President Obama at the dedication of the National Museum of African American History and Culture.Astrid Riecken, Getty Images