Hanover's leading cabaret-stage is the GOP Variety theatre which is located in the Georgs Palace. Some other famous cabaret-stages are the Variety Marlene, the Uhu-Theatre. the theatre Die Hinterbühne, the Rampenlich Variety and the revue-stage TAK. The most important Cabaret-Event is the Kleines Fest im Großen Garten (Little Festival in the Great Garden) which is the <answer>most successful Cabaret Festival in Germany</answer>. It features artists from around the world. Some other important events are the Calenberger Cabaret Weeks, the Hanover Cabaret Festival and the Wintervariety.
What is a notable achievement about the Kleines Fest im Großen Garten?
most successful Cabaret Festival in Germany