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; © 2016 WGBH Educational Foundation and The Calderwood Charitable Foundation. All Rights Reserved.
Third party materials courtesy of Bettmann/Getty Images; Charlotte Lerchenmuller; Jill Freedman/Getty Images; John Dominis/The LIFE Picture Collection/Getty Images; Library of Congress; Michael Butler; Mondadori Portfolio/Getty Images; NASA; National Archives and Records Administration; NBCUniversal Archives; New York Daily News Archive/Getty Images; Paul Schutzer/Getty Images; People’s World; Pierre La Plant; Ron Cogswell; Santi Visalli/Getty Images; and Wazee Digital.
; © 2016 WGBH Educational Foundation and The Calderwood Charitable Foundation. All Rights Reserved.
Third party materials courtesy of Asian Community Center Archive Group, Eastwind; Books of Berkeley; Bettmann/Getty Images; Los Angeles Public Library; Minnesota Historical Society; Paul Sequeira/Getty Images; and Utah State Historical Society. © 2016 WGBH Educational Foundation and The Calderwood Charitable Foundation. All Rights Reserved.
Third party materials courtesy of Bettmann/Getty Images; Hulton Archive/Getty Images; Kenneth Spencer Research Library, University of Kansas Libraries; National Archives and Records Administration; Young America’s Foundation; and Wazee Digital. © 2016 WGBH Educational Foundation and The Calderwood Charitable Foundation. All Rights Reserved.