Led by women in pink "pussy hats," hundreds of thousands of people packed the streets of Washington and other cities in a massive outpouring of opposition to America's new president, Donald Trump.
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Vintage American history photo of a nuclear weapon test by the American military at Bikini Atoll, Micronesia on July 25, 1946. The explosion was part of Operation Crossroads.
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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.
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