In the Crosswind is a drama about this, a mass deportation by the Soviet Union in 1940-1941?
June deportation The June deportation (Estonian: "Juuniküüditamine" , Latvian: "Jūnija deportācijas" , Lithuanian: "Birželio trėmimai" ) was a mass deportation by the Soviet Union of tens of thousands of people from the territories occupied in 1940–1941: Baltic states, occupied Poland (mostly present-day western Belarus and western Ukraine), and Moldavia.
World War II casualties of Poland Approximately six million Polish citizens perished during World War II: about one fifth of the pre-war population. Most were civilian victims of the war crimes and crimes against humanity during the occupation by Nazi Germany and the Soviet Union. Statistics for Polish World War II casualties are divergent and contradictory. This article provides a summarization of these estimates of Poland's human losses in the war and their causes.