Embassy of the United States, Berlin not be considered a capital until Berlin was unified. Relations with the East German state were hampered because of this policy, and by the erection of the Berlin Wall in 1961. The wall made the site of the former U.S. Embassy, still owned by the U.S. government, an inaccessible vacant lot that was part of the security zone separating east and west Berliners. The site became accessible after the Berlin Wall came down in November 1989, but remained a vacant lot until the 2004 groundbreaking for construction of a brand new U.S. Embassy. In the early 1970s the U.S., along
Free University of Berlin committee appealed to the public for support. The municipal authorities of Berlin granted the foundation of a free university and requested the opening for the coming winter semester 1948/49. Meanwhile, the students committee in the German Democratic Republic protested against the formation, the GDR described the new university as the "so-called free university" in official documents until the fall of the Berlin Wall. The council-manager government accepted the by-law on 4 November 1948. The by-law achieved prominence under its alias ""the Berlin model"": The university was founded as a statutory corporation ("Körperschaft des öffentlichen Rechts") and was not directly subjected