A demonstration organized by performers and creative artists for the implementation of Articles 27 and 28 of the Constitution of the GDR on the Alexanderplatz on 11/04/1989. Manfred Gerlach (left), from 1967 to 1990 Liberal Democratic Party chairman, from 1960 to 1989 Deputy Chairman of the Council of State, and from 1989 to 1990 Chairman of the Council of State of the GDR and Guenter Schabowski, Berlin SED leader.