Answer ⤵
Molotov–Ribbentrop Pact
Long name:[show]
Stalin and Ribbentrop shaking hands after the
signing of the pact in the Kremlin
Signed 23 August 1939
Location Moscow, Soviet Union
Expiration 23 August 1949
(planned) 22 June 1941
(terminated) 30 July 1941
(officially declared null
and void