en PortalulTauTV. On February 26, 1920, Robert Wiene's world-famous film The Cabinet of Dr. Caligari premiered at the Marmorhaus in Berlin. To this day, it is considered a manifesto of German expressionism; a legend of cinema and a key work to understand the nature of the Weimar Republic and the constant political turmoil in which a divided society lived after the end of the First World War.