Question: The Serov Instructions featured instructions on a mass deportation by the Soviet Union of tens of thousands of people from the territories occupied in what year?
Sentence (from "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.
Relevant evidence: Yes