Jacob Herbstreith was born on 23rd July, 1763. Henri-Alexandre Huguenin was born on 23rd July, 1812 in La Chaux-de-Fonds. Auguste Élisée Aubert was born on 23rd July, 1819 in Derrière-la-Côte, Le Chenit. Léonie-Séraphine Batté was born on 23rd July, 1841 in Saint-Nicolas d'Aliermont. Ernest-Constant-Paul Piètre was born on 23rd July, 1881 in Saint-Aubin-le-Cauf near Saint-Nicolas d'Aliermont.
Abraham Daniel (Dèniyon) Piguet died on 23rd July, 1833 in Geneva. Anton Gottfried Fränken died on 23rd July, 1855. Jean Moïse Badollet died on 23rd July, 1862. Philibert-Eustache Delabarre died on 23rd July, 1906 in Saint-Nicolas d'Aliermont. Auguste-Eugène Delarue died on 23rd July, 1906 in Saint-Nicolas d'Aliermont. Alberto Santos-Dumont died on 23rd July, 1932 in Guarujá/São Paulo. Louis Joseph Cartier died on 23rd July, 1942. Jacques-Benjamin Forestier died on 23rd July, 1856 in Lausanne. Maurice Edgar Ditisheim died on 23rd July, 1992 in La Chaux de Fonds. Gerhard Jahn died on 23rd July, 2005.