Potsdam—a city near Berlin, is primarily significant for hosting the Potsdam Conference from July 17 to August 2, 1945, which shaped post WWII Europe, but led to the Cold War.
Beyond 1945, Potsdam is renowned as the historic residence of Prussian kings, featuring the grand Sanssouci Palace (often called the "Prussian Versailles") and extensive 18th-and 19th-century royal parks and castles designated as a UNESCO World Heritage Site.