The timeline of the MolotovâRibbentrop Pact is a chronology of events, including MolotovâRibbentrop Pact negotiations, leading up to, culminating in, and resulting from the MolotovâRibbentrop Pact. The Treaty of Non-aggression between Nazi Germany and the Soviet Union was signed in the early hours of 24 August 1939, but was dated 23 August.