January 2 - Martin Niemöller, leader of the Evangelical Lutheran Church in West Germany, travels to Moscow to discuss the situation of German prisoners of war in the Soviet Union.
January 10 - The U.S. cargo ship Flying Enterprise sinks in the Atlantic off the coast of Britain after being in a windstorm following a hurricane since the turn of the year. The ship's crew had only the captain left on board, who left the ship 13 minutes before sinking.
January 23 - Prime Minister Urho Kekkonen's ill-fated "pajama speech" on Nordic neutrality was announced in the Maakanska, the main supporter of the Agrarian Union. The speech sparked a lively debate.
February 6 - Elizabeth II became Queen of the United Kingdom of Great Britain and Northern Ireland after the death of George VI.
February 8 - Statistics Germany reports that there are 9.8 million refugees in the country.
14-25 February - Winter Olympics in Oslo.
February 26 - Prime Minister Winston Churchill announces British ownership of the atomic bomb.
March 1 - The United Kingdom returns the island of Heligoland to the Federal Republic of Germany.
April 6 - World War II war criminal Jürgen Stroop is executed in Warsaw.
March 10 - General Fulgencio Batista seizes power in Cuba.
March 10 - Stalin's note: The Soviet Union proposed to the other occupying powers, France, the United Kingdom and the United States, a conference to create a united, independent and neutral German state with the right to army for self-defense and a peace treaty with victorious powers.
March 16 - The Nordic Council is established in Copenhagen.
March 17 - Finland's first Sokos department store opens in Helsinki.
March 27 - A failed assassination attempt is made against Federal Chancellor of the Federal Republic of Germany Konrad Adenauer.
April 1 - Soviet head of state Joseph Stalin said in an interview with U.S. journalists that communism and capitalism “can live in peaceful relations with each other”.
April 18 - Bolivia's national revolution: universal suffrage was granted to women and indigenous peoples, land reform and mining were nationalized.
April 28 - The San Francisco peace formally enters into force. The Japanese occupation ended and Japan gained independence.
May 2 - First jet passenger line between London and Johannesburg.
May 6 - King Faruk of Egypt declared himself a descendant of the Prophet Muhammad.
May 23 - The statue of Mikael Agricola was unveiled in Turku.
May 24 - King Gustav VI Adolf of Sweden and Queen Louise arrived in Finland for a three-day state visit. They had last visited Finland in 1932.
May 25 - The Rinnekoti care institution for the mentally handicapped was inaugurated in Espoo.
May 30 - Suomen Huolto ceased operations.
June 1 - The Catholic Church bans the books of André Gide.
June 4 - The first post-war flagship parade of the Defense Forces was held in Helsinki.
June 13 - The Soviet Union shoots down a Swedish Douglas DC-3 spy plane in international waters east of Gotska Sandön, as well as another plane set off in search of it. The Soviet Union admitted in 1991 that it had shot down the plane. The wreck of the plane was found in 2003.
June 18 - Finland's new embassy building in Ullanlinna, Helsinki, was handed over to the Soviet Union as war reparations. Previous The Embassy building in Hietalahti was destroyed in the winter war by a Soviet Red Army air bomb