Jean-Denis-Adrien Prevet was born on 9th October, 1768 in Saint-Aubin-le-Cauf by Saint-Nicolas d'Aliermont. Marie-Geneviève Troude was born on 9th October, 1785 in Saint-Nicolas d'Aliermont. Léonard Frédéric Nardin was born on 9th October, 1792 in le Locle. Henriette-Hortense Mercier was born on 9th October, 1838 in Dampierre-en-Bray. Jules-Pospert Delahaye was born on 9th October, 1846 in Yerville. Marie-Zélie-Élise Carpentier was born on 9th October, 1847 in Sept-Meules, Seine-Maritime. Augustine-Zéla Fauvel was born on 9th October, 1865 in Meulers. Alphonse-Gustave Couaillet was born on 9th October, 1870 in Saint-Nicolas d'Aliermont. Jean Frédéric LeCoultre was born on 9th October, 1878 in Le Sentier. Georges-Alfred Sannier was born on 9th October, 1882 in Saint-Nicolas d'Aliermont.
Kaspar Brunner died on 9th October, 1561 in Nuremberg. Séraphine-Adolphine Letellier died on 9th October, 1856 in Saint-Nicolas d'Aliermont. Pierre-Charles Ancel died on 9th October, 1859 in Saint-Nicolas d'Aliermont. Jean Michel Étienne (Jeannot) Piguet died on 9th October, 1859. Henri Hector Audemars died on 9th October, 1861. Jacques-Albert Quetteville died on 9th October, 1904 in Saint-Nicolas d'Aliermont. Henry Alfred Lugrin died on 9th October, 1908 in Brooklyn N.Y. Ernst Ferdinand Otto von Bassermann-Jordan died on 9th October, 1932. Frédéric LeCoultre died on 9th October, 1934. Robert Lefranc died on 9th October, 1942 in Auschwitz.