April 2000 is a 1952 political satire film directed by Wolfgang Liebeneiner and starring Hilde Krahl, made during the Allied Occupation of Austria (1945–55).
The script was reportedly commissioned at the request of the Austrian government, and is a political satire depicting a harmless, potentially congenial future Austria still subject to needless and stifling oversight by the four Allied powers, as established following the defeat of Nazi Germany in World War II (as it was when the film was made).
The world court hovers in with its space rocket into Vienna and lands in front of Schönbrunn Palace.
Subsequently, everything which is supposed to make Austria lovely is presented, starting with Mozart, going over Prince Eugene of Savoy, Empress Maria Theresa of Austria, Viennese wine, the Viennese waltz, the mountains, the classic bands, etc.
Back in the current time of 1952, and in reality, it is bemoaned that those actions and the independence of Austria will not take place until the year 2000.