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Cuban leader Fidel Castro is presented with an invitation to the New York Press Photographer's Ball, New York City, April 23, 1959. (Photo by Hulton Archive/Getty Images)

Cuban leader Fidel Castro is presented with an invitation to the New York Press Photographer's Ball, New York City, April 23, 1959. (Photo by Hulton Archive/Getty Images)

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Cuban president Fidel Castro eats an ice cream cone as he rides in the Bronx Zoo train, New York City, April 2. 1959. (Photo by Meyer Liebowitz/Getty Images)

Cuban president Fidel Castro eats an ice cream cone as he rides in the Bronx Zoo train, New York City, April 2. 1959. (Photo by Meyer Liebowitz/Getty Images)

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Cuban president Fidel Castro waves to crowds on his way to Pennsylvania Station from the Statler Hilton Hotel in New York City, en route to Boston, April 25, 1959. (Photo by Carl Gossett/New York Times/Getty Images)

Cuban president Fidel Castro waves to crowds on his way to Pennsylvania Station from the Statler Hilton Hotel in New York City, en route to Boston, April 25, 1959. (Photo by Carl Gossett/New York Times/Getty Images)

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Cuban leader Fidel Castro entertains a group of people at a dinner table in Harlem during a trip to New York City, while the press takes photographs in the background, 1959. (Photo by Hulton Archive/Getty Images)

Cuban leader Fidel Castro entertains a group of people at a dinner table in Harlem during a trip to New York City, while the press takes photographs in the background, 1959. (Photo by Hulton Archive/Getty Images)