Original: The Molotov -- Ribbentrop Pact , colloquially named after the Soviet foreign minister Vyacheslav Molotov and the German foreign minister Joachim von Ribbentrop , was an agreement officially titled the Treaty of Non-Aggression between Germany and the Soviet UnionRussian : ; German : Nichtangriffsvertrag zwischen Deutschland und der Union der Sozialistischen Sowjetrepubliken ; from facsimile at 100 (/O0/O) Schlüsseldokumente ( www.1000dokumente.de ) , accessed 17 September 2009 .
Simplified: The Molotov-Ribbentrop Pact was signed by Vyacheslav Molotov ( Russian foreign minister ) and Joachim von Ribbentropp ( German foreign minister ) on 23 August , 1939 .