What were the important changes in the map of Europe after the end of World War II?

We are talking about the events of 1945-1955. The changes were as follows:

The USSR redistributed the city of Przemysl to Poland from the Soviet Ukraine, as well as Bialystok with the voivodeship from the BSSR.
The Transcarpathian region with the regional center in Uzhgorod was included in the Ukrainian SSR.
Hungary returned Romania to Transylvania.
Germany ceased to exist as a state until 1949, they transferred Silesia and Pomerania to Poland, and East Prussia was divided between the USSR and Poland. Konigsberg became Kaliningrad.
In 1949 the German Democratic Republic and the Federal Republic of Germany appeared, and the history of divided Germany began.
In 1949, NATO and CMEA appeared, and in 1955 the OVD was created in response to the FRG’s entry into NATO.