Founded in 1947, "Cominform" (Communist Information Bureau) is the common name for what was officially referred to as the Information Bureau of the Communist and Workers' Parties. It was the first official forum of the international communist movement since the dissolution of the Comintern, and confirmed the new realities after World War II – including the creation of an Eastern Bloc.
Cominform was a Soviet-dominated organization of Communist parties founded in September 1947 at a conference of Communist party leaders in Szklarska Poręba, Poland. Soviet leader Joseph Stalin called the conference in response to divergences among eastern European governments on whether or not to attend the Paris Conference on Marshall Aid in July 1947.
The initial seat of Cominform was located in Belgrade (then the capital of the Federative People's Republic of Yugoslavia). After the expulsion of Yugoslavia from the group in June 1948, the seat was moved to Bucharest, Romania. The expulsion of the Communist Party of Yugoslavia from Cominform for Titoism initiated the Informbiro period in that country's history.
The intended purpose of Cominform was to coordinate actions between Communist parties under Soviet direction. It had its own newspaper (titled For Lasting Peace, for People's Democracy!), and it encouraged unity of Communist parties.
Member parties 
- Bulgarian Communist Party
- Communist Party of Czechoslovakia
- French Communist Party
- Hungarian Working People's Party
- Italian Communist Party
- Polish United Workers' Party
- Romanian Workers' Party
- Communist Party of the Soviet Union
- Communist Party of Yugoslavia (until its expulsion in June 1948)
- Communist Party of Free Territory of Trieste (until Yugoslavia's expulsion of 1948)
See also 
- P. M. H. Bell, The World Since 1945, London, Arnold, 2001, pp. 89
- Working class unity for peace the reports presented at the 1949 conference.