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A man watches a news report on North Korea's planned rocket launch at a railway station in Seoul on February 3, 2016. (JUNG YEON-JE/AFP/Getty Images)

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Nancy Reagan attending a 'Just Say No' rally with children at Kaiser Arena in Oakland, California, November 26, 1985. (White House Photographic Office/Released)

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British Prime Minister Winston Churchill, wearing his academic robes and making a speech regarding the Communist threat, March 1946. (George Skadding/The LIFE Picture Collection/Getty Images)

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Saudi Defence Minister Mohammed bin Salman (2nd L), who is the desert kingdom's deputy crown prince, at the 4th Summit of Arab States and South American countries in Riyadh, on November 11, 2015. (FAYEZ NURELDINE/AFP/Getty Images)

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Actor Tim Pigott-Smith during Broadway Opening Night of 'King Charles III' at the Music Box Theatre on November 1, 2015 in New York City. (Jemal Countess/Getty Images)

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US Republican Presidential candidates (L-R) Marco Rubio, Donald Trump, Ted Cruz and John Kasich at the Republican Presidential Debate in Detroit on March 3, 2016. (GEOFF ROBINS/AFP/Getty Images)

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Place Jemaa El Fna (Djemaa El Fna), August 12, 2012. (Godong/UIG via Getty Images)

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The flag of the European Union flies from the European Parliament information office in the European Quarter on February 25, 2016 in Brussels, Belgium. (Ben Pruchnie/Getty Images)