President Barack Obama speaks during the dedication ceremony for the Smithsonian Museum of African American History and Culture in Washington, DC, on Sept. 24, 2016.
Pablo Martinez Monsivais/AP
From left, Octavia Spencer, Janelle Monae and Taraji P. Henson accept the award for outstanding performance by a cast in a motion picture for Hidden Figures at the 23rd annual Screen Actors Guild Awards on Jan. 29 in Los Angeles.
A tourist photographs a historic landmark plaque, on March 13, 2010, in front of the Grassy Knoll and beside the former Texas School Book Depository Building in Dealey Plaza where the 1963 assassination of President John F. Kennedy took place in Dallas, Texas.
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