British Prime Minister David Cameron delivers a speech on April 12, 2015 in Cheltenham, England. Britain goes to the polls in a general election on May 7. But campaign slogans and speeches — from Cameron and his rivals — won't carry many references to international affairs. WPA Pool/Getty Images hide caption

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Members of the Muslim community leave the East London Mosque after prayers before the start of the holy month of Ramadan in June 2014. The mosque has an estimated 7,000 worshippers. Rob Stothard/Getty Images hide caption

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English poet and author Siegfried Sassoon (1886-1967) wearing his army uniform. His experiences in the First World War resulted in his hatred of war, which he expressed in much of his work. George C. Beresford/Getty Images hide caption

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A display of T-shirts are seen for sale in a Scottish memorabilia shop in Edinburgh, Scotland, on Jan. 13, 2012. Scotland votes in September on independence, but the U.K. government has warned that freedom will come at a cost: Scotland will lose the pound. Scott Heppell/AP hide caption

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The TV series Downton Abbey has dealt with the issue of inheritance that allows British hereditary peers to pass down titles and estates to male relatives, but not female ones. Parliament is now considering a change to that law. Nick Briggs/AP/PBS hide caption

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Luke Tanner, 7, gets vaccinated for measles at a clinic near Swansea, Wales, in April. Wales is at the center of a measles outbreak that has been linked to one death. Geoff Caddick/AFP/Getty Images hide caption

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As police stood by Tuesday, an Iranian Basij militia member reared back to throw a stone toward the British embassy in Tehran. Other Basij militia members also took part in the attack, witnesses say. Atta Kenare /AFP/Getty Images hide caption

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Thousands of protesters took part in a march against the government's proposed changes to public sector pensions in London today (Nov. 30, 2011). Oli Scarff/Getty Images hide caption

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Quick — is Big Ben located in England, Ireland, or the United Kingdom — or all three places? apdk/flickr hide caption

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