Statement
After the Soviet invasion on 17 September, Poland fell in three weeks: 1.2 million Jews in the east came under Soviet control and more than two million in the center and west under the Nazis.
Documented evidenceHigh certainty✓ Verified
References
p. 435
supports · main text · ch. 14
Efron, Lehmann and Weitzman. The Jews: A History. 3rd edition. New York and Abingdon: Routledge, 2019.
Verification anchor recorded · checked against the page text