1952 was a leap year.
February 6 - George VI (King of the United Kingdom and Dominions of Canada, Australia, New Zealand, South Africa, Pakistan and Ceylon) dies at the age of 56 after a long illness. He is succeeded by his daughter Princess Elizabeth, Duchess of Edinburgh as Queen Elizabeth II, who was visiting Kenya at the time.
February 7 - Elizabeth II is proclaimed Queen of the United Kingdom at St James's Palace in London.
February 18 - Greece and Turkey become members of NATO.
March 10 - Faced with a possible electoral defeat, former Cuban President Fulgencio Batista staged a coup and took power.
April 11 - A military coup overthrows the Bolivian National Revolutionary Movement.
April 28 - Japan regains its sovereignty under the San Francisco agreement after its defeat in World War II.
June 1 - The Volga-Don canal, which connects the Caspian Sea with the Black Sea, is opened for navigation.
July 23 - A military coup is carried out in Egypt under the leadership of General Mohamed Nagib, overthrowing King Farouk I.
July 23 - The European Coal and Steel Community is founded in Paris, the first forerunner of the European Union.
July 25 - The Treaty on the European Coal and Steel Community enters into force, which was the first phase of the creation of the European Union.
August 10 - The European Coal and Steel Community begins operations
September 8 - Ernest Hemingway's novel The Old Man and the Sea is published.
September 9 - in Belgrade, at the confluence of the Sava and the Danube, due to bad weather, the ship "Niš" sank, which was transporting passengers on the line to Zemun, 104 people drowned.
November 4 - Republican presidential candidate Dwight D. Eisenhower became the new head of the White House, defeating the opponent of the Democratic Party, Adley Stevenson.
November 20 - The first official North Pole passenger flight from Los Angeles to Copenhagen.
November 25 - Agatha Christie's Mousetrap, performed continuously for more than 60 years, is performed for the first time at the London Theater.
December 5 - The beginning of the Great Smog in London. The cold fog combined with the polluted air and brought the city to the village