Events January January 1 – The Anglo-Egyptian Condominium ends in Sudan. January 8 – Operation Auca: Five U.S. evangelical Christian missionaries, Nate Saint, Roger Youderian, Ed McCully, Jim Elliot and Pete Fleming, are killed for trespassing by the Huaorani people of Ecuador, shortly after making contact with them. January 16 – Egyptian leader Gamal Abdel Nasser vows to reconquer Palestine. January 25–26 – Finnish troops reoccupy Porkkala, after Soviet troops vacate its military base. Civilians can return February 4. January 26 – The 1956 Winter Olympics open in Cortina d'Ampezzo, Italy. February February 11 – British spies Guy Burgess and Donald Maclean resurface in the Soviet Union, after being missing for 5 years. February 14–25 – The 20th Congress of the Communist Party of the Soviet Union is held in Moscow. February 16 – The 1956 World Figure Skating Championships open in Garmisch, West Germany. February 22 – Elvis Presley enters the United States music charts for the first time, with "Heartbreak Hotel". February 23 – Norma Jean Mortenson legally changes her name to Marilyn Monroe. February 24 – Doris Day records her most famous song, "Que Sera, Sera (Whatever Will Be, Will Be)"; it is from Alfred Hitchcock's The Man Who Knew Too Much, in which Day co-stars with James Stewart. February 25 – Nikita Khrushchev attacks the veneration of Joseph Stalin, in a speech "On the Cult of Personality and Its Consequences", at a secret session concluding the 20th Congress of the Communist Party of the Soviet Union. This is not officially made public in the Soviet Union at this time but becomes known in the West in June. March March 1 – The International Air Transport Association finalizes a draft of the radiotelephony spelling alphabet, for the International Civil Aviation Organization. March 2 – Morocco declares its independence from France. March 9 The British deport Archbishop Makarios from Cyprus to the Seychelles. The Soviet Armed Forces suppress mass demonstrations in the Georgian Soviet Socialist Republic, reacting to Nikita Khrushchev's de-Stalinization policy. March 10 – The Fairey Delta 2 breaks the World Air Speed Record, raising it to or Mach 1.73, an increase of some over the previous record, and thus becoming the first aircraft to exceed in level flight. March 11 – After having opened in London the previous year, Laurence Olivier's film, Richard III, adapted from Shakespeare's play, has its U.S. premiere in theatres and on