Statement
On 23 August 1939 Germany and the Soviet Union signed the Molotov-Ribbentrop Pact, with a secret protocol on spheres of influence.
Documented evidenceHigh certainty✓ Verified
References
p. 434
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