President Obama cuts the ribbon on the National Museum of African American History and Culture, fulfilling a 100-year-old dream: Visitors can witness the entire arc of the black experience in America, from the Atlantic slave trade to the Black Lives Matter movement. But the process leading to this day wasn’t without false starts and controversies. Here, a few milestones in the long journey to make the museum a reality. Read more at the Washingtonian.
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