Yvonne (cow) of Zangberg and Stefanskirchen. After her escape, Yvonne was bought by animal-rights activist Michael Aufhauser, who intended to capture her and transport her to his animal sanctuary, "Gut Aiderbichl", a former farm in Deggendorf, Bavaria. Multiple techniques were used to find her and draw her out of hiding. Searchers used infrared cameras, a helicopter, and used other cows as lures, which consequentially also escaped and are being lured with additional cattle. As all attempts to capture Yvonne failed, the cow received increasing attention from the mass media in Germany and Austria and later all over the world. "Bild" tabloid offered
Yvonne, Prinzessin von Burgund ceremonies become a farce. In the end, Yvonne, still silent, is killed during a banquet in her honour. Yvonne, Prinzessin von Burgund Yvonne, Prinzessin von Burgund ("Yvonne, Princess of Burgundy") is an opera in four acts composed by Boris Blacher to a German-language libretto by the composer based on Witold Gombrowicz's 1935 Polish play "" (Yvonne, Burgundy Princess). Composed in 1972, it was Blacher's last opera. It premiered on 15 September 1973 at the Opernhaus Wuppertal, directed by Kurt Horres. The story is set in the royal court of an imaginary country and combines elements of tragic farce, fantasy, and