The Fate of the House of Habsburg, is a 1928 German silent drama film, it s based on the Mayerling incident, the series of events leading to the apparent murder–suicide of Rudolf, Crown Prince of Austria, and his lover, Baroness Mary Vetsera, in which year?
Mayerling incident: The Mayerling Incident is the series of events leading to the apparent murder–suicide of Rudolf, Crown Prince of Austria (21 August 1858 – 30 January 1889) and his lover, Baroness Mary Vetsera (19 March 1871 – 30 January 1889).
i don't know