AVE6326265: 1970s: Diver jumps from boat / Bridgeman Images

AVE6326899: 1950s: People secure boats in marina / Bridgeman Images

AVE6326911: United States, 1960s: students protest by college / Bridgeman Images

AVE6326053: United States, 1950s: View of nuclear blast / Bridgeman Images

AVE6326917: United States, 1960s: students walk along corridor / Bridgeman Images

AVE6326106: Lady Faints as Man Rushes to her Aid / Bridgeman Images

AVE6326115: Lady Has an Idea as Men Try to Break in to her Office / Bridgeman Images

AVE6327004: Egypt, 1970s: Pharaoh statues stand outside to guard a burial ground in Egypt / Bridgeman Images

AVE6326146: 1980s: Several men work on wing of airplane / Bridgeman Images

AVE6326150: 1980s: Hand dumps powder into wing of plane, then opens tube on underside of plane for powder to come out / Bridgeman Images

AVE6327034: United States, 1970s: A group of people stand around a circle and drink from a cup during worship / Bridgeman Images

AVE6326175: 1980s: Airplane does a turn in the air / Bridgeman Images

AVE6326187: 1980s: Pilot climbs into X-15 jet / Bridgeman Images

AVE6327100: Berlin, 1936: Male athlete throws shot putt ball in a crowded stadium / Bridgeman Images

AVE6326231: 1970s: Men on diving station, dolphin swimming, zoom in on dolphin / Bridgeman Images

AVE6327139: United States, 1960s: rail road transportation of military at night / Bridgeman Images

AVE6326249: 1970s: Men on diving station pulling rope / Bridgeman Images

AVE6327175: United States, 1960s: Soviet ships spotted by US Air force / Bridgeman Images

AVE6327178: United States, 1960s: ships en route to Cuba / Bridgeman Images

AVE6326345: United States, 1960s: An angry crowd retreats backward as police officers use their batons / Bridgeman Images

AVE6326387: United States, 1960s: As tear gas fills the environment, protesters begin running away to shield its temporary effects / Bridgeman Images

AVE6326399: United States, 1960s: skyscraper building / Bridgeman Images

AVE6326420: United States, 1960s: writing on legal document / Bridgeman Images

AVE6326441: United States, 1960s: machine prints pattern on paper / Bridgeman Images

AVE6326462: United States, 1960s: paper ashes / Bridgeman Images

AVE6326474: United States, 1960s: men sit around table in boardroom meeting / Bridgeman Images

AVE6326477: 1970s: Twenty dollar bill / Bridgeman Images

AVE6326480: United States, 1960s: man speaks on telephone / Bridgeman Images

AVE6326486: United States, 1960s: girl receives letter from lady / Bridgeman Images

AVE6326522: United States, 1960s: people sit in large meeting hall / Bridgeman Images

AVE6327189: United States, 1940s: Steam whistle on ship / Bridgeman Images

AVE6327207: United States, 1940s: Building exterior / Bridgeman Images

AVE6327222: United States, 1940s: Rotating shot of plane overhead / Bridgeman Images

AVE6327243: 1940s: Men stand and walk around outside capital building / Bridgeman Images

AVE6327246: 1940s: Colonial style shoes sit on shelves / Bridgeman Images

AVE6327276: United States, 1940s: Naval air base bombed by planes / Bridgeman Images