The Potsdam Agreement (German: Potsdamer Abkommen) was the agreement among three of the Allies of World War II: the United Kingdom, the United States, and the Soviet Union after the end of World War II in Europe that was signed on 1 August 1945 and published the following day.
Text from Wikipedia, licensed under CC BY-SA 4.0
The 82nd anniversary falls on August 2, 2027.