April 20

Historical Anniversaries March << April >> May

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Events

• Am 20. April 1803 erhält Samuel Day das Englische Patent Nr. 2700 für einen Kontrolluhr-Mechanismus (Watchman's Telltale or Timekeeper).
• Die Brandkatastrophe vom 20. April 1870 bringt die Produktion der New York Watch Company zum Erliegen.
• F. BORGEL fabricant GENÈVE erhält am 20. April 1894 das Schweizer Patent CH 8232.
• Am 20. April 1948 wird die Firma A. Lange & Söhne enteignet und in VEB Mechanik Lange & Söhne umbenannt.

Births

• Hans Christian August Hohwü was born on 20th April, 1751 in Gråsten (German:Gravenstein).
• Jean-Baptiste-Modeste Billoquet was born on 20th April, 1784 in Saint-Nicolas d'Aliermont.
• Pierre-Jean-Baptiste Fouré was born on 20th April, 1829 in Saint-Nicolas d'Aliermont.
• Emil Welte was born on 20th April, 1841 in Vöhrenbach (Black Forest).
• John Henri Aubert was born on 20th April, 1851 in Le Sentier.
• Louis-Charles Binet was born on 20th April, 1858 in Saint-Nicolas d'Aliermont.
• Marie-Emilia Huguenin (Elie) was born on 20th April, 1881 in Le Locle.
• Cornelis Andriessen was born on 20th April, 1886.
• Jean Adrien Piguet was born on 20th April, 1896 in Le Brassus.
• Eduard Marius Piguet was born on 20th April, 1896 in Le Brassus.

Deaths

• Adolf Scheibe died on 20th April, 1958 in Berlin.