Improve the grammaticality: 23 August The Molotov–Ribbentrop Pact was signed, promising mutual non-aggression between Germany and the Soviet Union and agreeing to a division of much of Europe between those two countries.
23 August The Molotov–Ribbentrop Pact is signed, promising mutual non-aggression between Germany and the Soviet Union and agreeing to a division of much of Europe between these two countries.