Centuries: 19th century - 20th century - 21st century
Decades: 1900s - 1910s - 1920s - 1930s - 1940s - 1950s - 1960s - 1970s - 1980s - 1990s years - 2000s
Years: 1947 - 1948 - 1949 - 1950 - 1951 - 1952 - 1953 - 1954 - 1955 - 1956 - 1957
January 8 - US-Yugoslavia Economic Cooperation Agreement.
January 26 - Financial reforms in Romania.
January 30 - U.S. Admiral Lynde D. McCormick is appointed Supreme Allied Commander Atlantic (SACLANT).
February 6 - VI. After the death of George II. Elizabeth is crowned Queen of Britain and the Commonwealth.
February 20-25 - At the North Atlantic Council in Lisbon, the Alliance is reorganized to become a permanent NATO headquarters in Paris.
February 21 - The North Atlantic Council establishes the Channel High Command, with Admiral Sir Arthur Power appointed as its first commander-in-chief.
March 21 - Kwame Nkrumah - formally - takes up the post of Prime Minister in Ghana.
April 1 - Introduction of the Law on Local Self-Government in Yugoslavia.
April 4 - Hastings Lionel Ismay of England becomes NATO's first Secretary General.
April 5 - The Polish government signs an agreement to build the House of Culture and Science in Warsaw.
April 10 - Allied Armed Forces Atlantic Command begins operations in Norfolk, Virginia.
April 16 - NATO's temporary headquarters are set up at the Palais de Chaillot in Paris.
April 19 - The Holy See appoints the Bishop of Csanád as the Ordinary of the part of the diocese of Oradea that remains in Hungary.
April 25 - The province of Baden-Württemberg is merged in the south-west of Germany by merging the provinces of Baden, Hohenzollern and Württenberg.
April 28 - The North Atlantic Council holds its first meeting in Paris.
May 26-27 - Plenary session of the Central Committee of the Romanian Workers' Party, at which Minister of Finance László Luka is expelled from the party.
27 May - Belgium, France, Italy, Luxembourg, the Netherlands and the Federal Republic of Germany sign the Treaty establishing the European Defense Community in Paris. (It will not enter into force due to the resistance of the French National Assembly in 1954.)
June 2 - In Romania, Petru Groza is replaced by Gheorghe Gheorghiu-Dej as Prime Minister.
11 June - Yugoslav-West German Economic Agreement.
In Slovakia, bilingualism is regulated in Hungarian-inhabited areas, but the regulation is not applied consistently.
In the United States, the “Defense Cataloging and Standardization Act” requires the Department of Defense to apply a uniform system (standardized procedure).
Dhobat el Ahrar, led by Gamal Abden-Nasser, is carrying out a coup d'état in Libya, overthrowing the monarchy.
The Sejm adopts the new Polish constitution. (Poland's new form of government is a people's republic, but the presidency is abolished and replaced by the Council of State.)
10 August - The European Coal and Steel Community becomes operational. (Ratification of the organization!)
August 12 - Night of the Murdered Poets in Moscow.
August 14 - The Rákosi government is formed.
28 August - NATO member states sign the protocol on the status of international military headquarters in Paris.
September 20 - Edith Piaf and Jacques Pills marry.
September 24 - The new constitution, which contains many paragraphs of the 1936 Soviet constitution, is promulgated in Romania.