EVB2929120: New York City, start of toy yacht race in Central Park, c.1910s / Bridgeman Images

EVB2929126: New York City, children on May pole in Central Park, May, c.1910s / Bridgeman Images

EVB2929147: New York City, Central Park's Bow Bridge, view showing underside of arch, the Dakota Apartment building is visible to the left, photograph by Jet Lowe, c.1980s / Bridgeman Images

EVB2929210: World War II, North American P-51 mustang fighter plane in service with Britain's Royal Air Force, photograph by Mark Sherwood, October, 1942 / Bridgeman Images

UTD2859005: Circus Krone in the season 1965/66 at Hamburg, Germany 1960s / Bridgeman Images

UTD2859008: Circus Krone in the season 1965/66 at Hamburg, Germany 1960s / Bridgeman Images

UTD2859023: Circus Krone in the season 1965/66 at Hamburg, Germany 1960s / Bridgeman Images

UTD2859038: Danish actor Boyd Bachmann as an astronaut, Germany 1960s / Bridgeman Images

UTD2859074: Onkel Phils Nachlass / Bridgeman Images

UTD2859089: German actress Linde Fulda, Germany 1960s / Bridgeman Images

UTD2859098: German TV and radio director Heinz Dunkhase (center), Germany 1960s / Bridgeman Images

UTD2859107: Jazz session at Hamburg, Germany 1960s / Bridgeman Images

UTD2859176: Werner Müller's hit magazine / Bridgeman Images

UTD2859194: Goldilocks / Bridgeman Images

UTD2859197: Goldilocks / Bridgeman Images

UTD2859209: Goldilocks / Bridgeman Images

EVB2939454: President Obama walks with French President Nicolas Sarkozy at the Palais Rohan. April 3 2009. (BSWH_2011_8_233) / Bridgeman Images

EVB2939457: President Obama speaks to the crowd at the departure ceremony at Accra airport in Ghana. July 11 2009. (BSWH_2011_8_236) / Bridgeman Images

EVB2939460: President Obama talks with Admiral Michael Mullen prior to a speech on Afghanistan and Pakistan. March 27 2009. In the background are Jim Jones Hillary Clinton Richard Holbrooke and Robert Gates. (BSWH_2011_8_239) / Bridgeman Images

EVB2939475: President Obama with Sheikh Sabah the Amir of Kuwait outside the Oval Office on Aug. 3 2009. (BSWH_2011_8_252) / Bridgeman Images

EVB2939493: Barack Obama meets with Mikhail Gorbachev, 2009 (photo) / Bridgeman Images

EVB2939505: Hillary Clinton poses with Argentine President Cristina Fernandez de Kirchner in Buenos Aires Argentina. Both women served as their countries First Ladies during their husbands' presidencies. March 1 2010. (BSWH_2011_8_28) / Bridgeman Images

EVB2939511: President Obama enjoying a green tea ice cream bar with his Japanese hosts while visiting the Great Buddha of Kamakura. He recalled sitting in the same place having an ice cream bar when he was a child. Nov. 14 2010 (BSWH_2011_8_285) / Bridgeman Images

EVB2939520: President Obama in a meeting with Singapore's Prime Minister Lee Hsien Loong at the Asia-Pacific Economic Cooperation APEC Summit in Singapore. Nov. 15 2009. (BSWH_2011_8_293) / Bridgeman Images

EVB2939523: Marine One carrying President and Michelle Obama lands at Winfield House the residence of the United States Ambassador to the Court of St. James's. March 31 2009. (BSWH_2011_8_296) / Bridgeman Images

EVB2939544: President Obama and Mississippi Governor Haley Barbour during a briefing about the British Petroleum oil spill. Gulfport Miss. June 14 2010. (BSWH_2011_8_314) / Bridgeman Images

EVB2939550: China-US Clean Energy Roundtable in Beijing Nov.16 2009 explored ways promote negotiations on climate change and clean energy initiatives prior to the Copenhagen Climate Conference in Dec. 2009. (BSWH_2011_8_32) / Bridgeman Images

EVB2939559: Presidential Seal at a town hall meeting on health care reform in Portsmouth New Hampshire. Aug. 11 2009. (BSWH_2011_8_328) / Bridgeman Images

EVB2939580: President Obama meets with Senate Democrats to discuss health care at White House June 2 2009 (BSWH_2011_8_347) / Bridgeman Images

EVB2939601: President Obama talks on the phone with Egyptian President Hosni Mubarak as senior staff and national security team listen and work in the background. Feb. 1 2011. (BSWH_2011_8_366) / Bridgeman Images

EVB2939631: High Drama on Air Force One as National Security Advisor General James Jones left and Secret Service agent Joe Clancy make the final decision to secretly fly to Baghdad. April 7 2009. (BSWH_2011_8_59) / Bridgeman Images

EVB2939649: President Obama and political advisors leave the White House aboard Marine One for a day of fund raising in Texas. L to R Reggie Love Valerie Jarrett Bill Burton and Patrick Gaspard. Aug. 9 2010. (BSWH_2011_8_75) / Bridgeman Images

EVB2939691: Ruins of the US Marine Barracks at Beirut International Airport. 241 Marines lost their lives when the building was attacked by a suicide bomber in truck loaded with explosives on Oct. 23 1983 / Bridgeman Images

EVB2939697: Secretary of Defense Caspar Weinberger at a press conference at Landing Zone One in Beirut Lebanon where US forces were part of a multinational peacekeeping force following deadly conflict between Israeli forces and the Palestine Liberation Organization. Dec. 1 1982 / Bridgeman Images

EVB2939718: The main bridge in An Nasiriyah Iraq where intense fighting occurred between US Marines and Iraqi soldiers from March 23-April 1 2003 during the Second Gulf War. The bridge was on the vital supply route to northern Iraq. Apr. 1 2003 / Bridgeman Images

EVB2939736: F-16 Fighter releasing three 2000-pound bombs. Feb 1 1987 / Bridgeman Images