In the years 1947-1952, Potsdam was the capital of the newly created state of Brandenburg.

An excerpt from the article 24 facts about Potsdam

After its liquidation by the GDR authorities, it became the seat of the Potsdam district. In 1951, the first state university was established in Potsdam - the Pädagogische Hochschule Karl Liebknecht Potsdam (the University of Potsdam).