Germany
The Soviet Union (Which is now Russia).
Joseph Stalin and the Soviet Union.
The Molotov-Ribbentrop Pact was signed 23 August 1939.
Nazi-Soviet nonagression pact.
The Soviet Union signed a non-agression pact to buy time before the Germans attacked them. The pact also included secret clauses, one of which planned the division of Poland.
In August 1939.
Joseph Stalin
In 1934 - five years before the start of the World War 2 - Germany and Poland signed a non-agression pact. I wonder if that is what you have in mind.
There has probably been more than one non-aggression pact in history but the most famous is the 1939 pact between Nazi Germany and the Soviet Union - which Germany broke in 1940.
Gandhiji was the one who drafted this pact.
The Munich pact was signed on 29th september 1938.The pact was signed by Htler with Britain and France.It was agred to hand over Sudetanlands to Hitler.In return Hitler guaranteed Czachoslovakia's integrity.