Wilhelm (6 July 1785–2 July 1823) Due to mental illness, Wilhelm was duke in name only, with his cousin Peter, Prince-Bishop of Lübeck, acting as regent throughout his entire reign.[7]
20 November – Beethoven's only opera Fidelio, in its original form (known retrospectively as Leonore), is premiered at the Theater an der Wien in Vienna, which at this time is under French military occupation.
↑ Apfelstedt, F.; Apfelstedt, Heinrich Friedrich Theodor (1996). Das Haus Kevernburg-Schwarzburg von seinem Ursprunge bis auf unsere Zeit. Thüringer Chronik-Verlag Müllerott. ISBN978-3-910132-29-0.
↑ Albinus, Robert (1985). Lexikon der Stadt Königsberg Pr. und Umgebung (in German). Leer: Verlag Gerhard Rautenberg. p.371. ISBN3-7921-0320-6.
↑ Bozzini, P. (1806). "Lichtleiter: eine Erfindung zur Anschauung innerer Theile und Krankheiten nebst der Abbildung". J Practischen Arzneykunde. 24. Berlin: 107–24.
↑ Bush, Ronnie Beth; Leonhardt, Hanna; Bush, Irving M.; Landes, Ralph R. (1974). "Dr. Bozzini's Lichtleiter: A translation of his original article (1806)". Urology. 3 (1): 119–23. doi:10.1016/S0090-4295(74)80080-4. PMID4591409.
↑ Randel, Don Michael (1999). The Harvard Biographical Dictionary of Music. Cambridge: Belknap Press. p.376. ISBN978-0-67400-084-1.
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