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MOSCOW, RUSSIA - MAY 07: An elderly woman holds a portrait of World War II Soviet leader Josef Stalin near Red Square ahead of celebrations to mark the 70th anniversary of the victory over Nazi Germany and the end of World War II on May 7, 2015 in Moscow, Russia. The city of Moscow will celebrate the anniversary on May 9 with a Victory Day international military parade and other events that most European leaders are snubbing because they accuse Russia of involvement in the war in eastern Ukraine. (Photo by Sean Gallup/Getty Images)

MOSCOW, RUSSIA - MAY 07:  An elderly woman holds a portrait of World War II Soviet leader Josef Stalin near Red Square ahead of celebrations to mark the 70th anniversary of the victory over Nazi Germany and the end of World War II on May 7, 2015 in Moscow, Russia. The city of Moscow will celebrate the anniversary on May 9 with a Victory Day international military parade and other events that most European leaders are snubbing because they accuse Russia of involvement in the war in eastern Ukraine.  (Photo by Sean Gallup/Getty Images)

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MOSCOW - MAY 1: Communist demonstrator holds up a portrait of soviet dictator Joseph Stalin as she marches during a May Day rally May 1, 2006 in central Moscow, Russia. Thousands of Russians gathered to celebrate International Workers Solidarity Day. (Photo by Oleg Nikishin/Getty Images)

MOSCOW - MAY 1:  Communist demonstrator holds up a portrait of soviet dictator Joseph Stalin as she marches during a May Day rally May 1, 2006 in central Moscow, Russia. Thousands of Russians gathered to celebrate International Workers Solidarity Day.  (Photo by Oleg Nikishin/Getty Images)

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General Secretary of the Russian Communist Party Joseph Stalin (1879-1953) on the tribune during a parade of workers. (Photo by Hulton Archive/Getty Images)

General Secretary of the Russian Communist Party Joseph Stalin (1879-1953) on the tribune during a parade of workers.   (Photo by Hulton Archive/Getty Images)

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Soviet leader Josef Stalin with his son Vasily and daughter Svetlana, 1930s. Vasily Iosifovich Dzhugashvili (1921-1962) and < Name not Found! > (1926-) were the children of Stalin (1879-1953) and his second wife Nadezhda Alliluyeva. Vasily served in the R (Photo by Fine Art Images/Heritage Images/Getty Images)

Soviet leader Josef Stalin with his son Vasily and daughter Svetlana, 1930s. Vasily Iosifovich Dzhugashvili (1921-1962) and < Name not Found! > (1926-) were the children of Stalin (1879-1953) and his second wife Nadezhda Alliluyeva. Vasily served in the R (Photo by Fine Art Images/Heritage Images/Getty Images)

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A sculpted head of Stalin, knocked off its statue during an anti-Russian demonstration, lies in the middle of a road in Budapest. (Photo by Keystone/Getty Images)

A sculpted head of Stalin, knocked off its statue during an anti-Russian demonstration, lies in the middle of a road in Budapest.    (Photo by Keystone/Getty Images)