MPX422470: Margaret Thatcher with Ronald Reagan outside 10 Downing Street, 1988 (photo) / Bridgeman Images

MPX422498: Winston Churchill made Chancellor of Bristol University, with Professor Loveday, December 1929 (b/w photo) / Bridgeman Images

MPX422501: Winston Churchill with Lord Wodehouse at Victoria Train Station en route to Paris, January 1925 (b/w photo) / Bridgeman Images

MPX422502: Winston Churchill on his way to the House of Commons with his dispatch case to announce the budget with Miss Diana Churchill and Mr R. Boothby MP, April 1925 (b/w photo) / Bridgeman Images

MPX422506: Miss Diana Churchill lays the foundation stone at the British Legion Headquarters with father Winston Churchill, mother Clementine Churchill and Captain Luck at Westerham, June 1928 (b/w photo) / Bridgeman Images

MPX422508: Air raid wardens on Well Street, City of London, salvaging office supplies in 1942 (b/w photo) / Bridgeman Images

MPX422509: Scene from the dome of St. Paul's, looking North East to Cheapside and Gresham Street (b/w photo) / Bridgeman Images

MPX422513: Winston Churchill shakes hands with Newcastle players before the FA Cup Final at Wembley Stadium, September 1951 (b/w photo) / Bridgeman Images

MPX422514: Children playing football on the streets in a poor suburb on the outskirts of Rome, April 1975 (b/w photo) / Bridgeman Images

MPX422520: Car on fire outside St. Paul's Station, 11th January 1941 (b/w photo) / Bridgeman Images

AGC479971: Playing Hockey in the Yard, 1940s (oil on panel), Lekomtsev, Konstantin (1897-1977) / Bridgeman Images

AGC479974: Portrait of an Old Russian Muzhik, 1950s (oil on card), Lekomtsev, Konstantin (1897-1977) / Bridgeman Images

AGC479976: Two Gipsy Women, 1950s (oil on card), Lekomtsev, Konstantin (1897-1977) / Bridgeman Images

AGC479986: Woman in Interior, 1920s (oil on canvas), Lekomtsev, Konstantin (1897-1977) / Bridgeman Images

AGC479991: Three Soldiers, 1940s (oil on canvas), Lekomtsev, Konstantin (1897-1977) / Bridgeman Images

MPX422358: Suffragette Emily Davison throws herself in front of the King's Horse at the Epsom Derby, 4th June 1913 (b/w photo) / Bridgeman Images

MPX422361: A Suffragette is Arrested and Escorted by Police in London, May 1906 (b/w photo) / Bridgeman Images

MPX422367: Pandit Jawaharlal Nehru (b/w photo) / Bridgeman Images

MPX422375: A Line of Competitors for the title of 'Holiday Princess', August 1954 (b/w photo) / Bridgeman Images

MPX422411: Queen's Silver Jubilee, June 1977 (b/w photo) / Bridgeman Images

BAD2202113: Chocolat Lindt advertizing Lindt, end of 19th century (print) / Bridgeman Images

EVB2227031: Kennedy en Alabama / Bridgeman Images

IMO2226600: Joe Manganiello / Bridgeman Images

IMO2226602: Jaimie Alexander / Bridgeman Images

BAD2226658: Publicite Player's Navy Cut, 1950s (print) / Bridgeman Images

BAD2226673: Milky Way, 1940s (print) / Bridgeman Images

BAD2226675: Jukeboxe, 1940s (print) / Bridgeman Images

BAD2226681: Fantastic Adventures, 1950s (print) / Bridgeman Images

BAD2226687: John Bull / Bridgeman Images

BAD2226698: D'Orsay Fragrance, 1950s (print) / Bridgeman Images

BAD2226717: John Bull / Bridgeman Images

BAD2226723: Pears, 1890s / Bridgeman Images

BAD2226731: The Foster's, 1890s / Bridgeman Images

BAD2226736: Journal le Weekly Telegraph 1880s (print) / Bridgeman Images

EVB2228590: President Barack Obama greets audience members after delivering remarks on the economy at the University of Miami Field House in Coral Gables, Fla. , Feb. 23, 2012. (Official White House Photo by Pete Souza) / Bridgeman Images

EVB2228594: President Barack Obama is briefed in advance of his trip to the Republic of Korea during a meeting in the Situation Room of the White House, March 23, 2012. (Official White House Photo by Pete Souza) / Bridgeman Images