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| 1948 |
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| The transformation of Poland into a Communist-dominated Soviet satellite made further headway as the Socialist Party was fused with the Communist Party, and became the Polish United Workers' Party (PUWP). The Peasant Party joined the government bloc, a compulsory youth organization was set up, and the judiciary was changed along communist lines. | 1 |
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| June 26 |
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| A five-year trade agreement was signed with the Soviet Union to counterbalance the Marshall Plan, in which Poland had refused to participate. | 2 |
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| Sept. 5 |
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| The secretary general of the PUWP, Wladyslaw Gomulka, was forced to resign because of ideological deviation from the Soviet line. | 3 |
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