EVB2080666: World War I, the British army trenches in France, ca. 1914 / Bridgeman Images

EVB2080587: Horace Greeley / Bridgeman Images

EVB2080545: World War I air battle with Canadian Bristol biplane piloted by Andrew E. McKeever downing a German Rumpler C-5 biplane, painting by Charles H. Hubbell, ca. 1917 / Bridgeman Images

EVB2080780: Eugene V. Debs / Bridgeman Images

EVB2080589: Thomas Nast: Thomas Nast political cartoon depicting President Ulysses S. Grant dispensing civil service reform to reluctant political leaders, from Harper's Weekly, 1872 / Bridgeman Images

EVB2080593: John Davenport, Unknown Artist / Bridgeman Images

EVB2080787: Paris vers 1780: The ancient city of Paris, c. 1780. / Bridgeman Images

EVB2080786: Pregnant woman, from an anonymous medical work, 1766 (woodcut) / Bridgeman Images

EVB2081012: Catherine II de Russie / Bridgeman Images

EVB2080790: Tour Eiffel: The Eiffel Tower with The Great Wheel of the Universal Exhibition in the background, c. 1900. / Bridgeman Images

EVB2080591: John Calvin / Bridgeman Images

EVB2080807: Les ruines d Armentieres: World War I, the ruins of Armentieres, France, 1918, official British war photograph, Unknown photographer, (20th century) / Bridgeman Images

IMO2081101: Nicolae Ceausescu / Bridgeman Images

IMO2080307: Reese Witherspoon / Bridgeman Images

IMO2080481: Whoopi Goldberg / Bridgeman Images

SZT2082990: The Germans in Greece / Bridgeman Images

IMO2084456: Neil Patrick Harris / Bridgeman Images

SZT2082288: Paul Watzlawick / Bridgeman Images

IMO2081166: Helen Mirren / Bridgeman Images

IMO2080034: Nina Hagen / Bridgeman Images

IMO2080797: 00453991 / Bridgeman Images

IMO2082111: Helene Segara / Bridgeman Images

SZT2082967: The Germans in Greece / Bridgeman Images

IMO2082034: Catherine Keener / Bridgeman Images

IMO2084484: Maggie Q / Bridgeman Images

SZT2084638: Reunification of Gemany / Bridgeman Images

IMO2080031: Joe Cocker / Bridgeman Images

IMO2081119: Radio Etiquettes / Bridgeman Images

IMO2084175: Chuck Berry / Bridgeman Images

IMO2080612: Amanda Seyfried / Bridgeman Images

IMO2082762: Deutschen Bahn logo / Bridgeman Images

SZT2084623: Ikea / Bridgeman Images

IMO2081724: Samaire Armstrong / Bridgeman Images

SZT2082570: Letter from George Gapon / Bridgeman Images

XRE2084559: Television, Unknown photographer, (20th century) / Bridgeman Images

IMO2083000: Wolfgang Porsche / Bridgeman Images