Analysis of information sources in references of the Wikipedia article "Bánh torte Sacher" in Vietnamese language version.
It was created by chance one day in 1832 when the chef to the chancellor, Prince Wensel Metternich, suddenly fell ill. His 16-year-old apprentice, Franz Sacher, was called in to create a dessert that would not disgrace the prince and the Sachertorte was born.
