George-Francois Vaucher was born on 20th February, 1755. Michel-François-Aimé Binet was born on 20th February, 1776 in Saint-Nicolas d'Aliermont. Rose-Élocadie Nicolle was born on 20th February, 1809 in Saint-Nicolas d'Aliermont. Alphonse-Hippolyte Prevet was born on 20th February, 1822 in Saint-Aubin-le-Cauf near Saint-Nicolas d'Aliermont. Jacques-Narcisse Billoquet was born on 20th February, 1823 in Saint-Nicolas d'Aliermont. Henry Eugène Adrien Farcot was born on 20th February, 1830 in Sainville. Charles-Emile Tissot was born on 20th February, 1830. William Auguste Huguenin (Bergenat) was born on 20th February, 1845 in La Chaux-du-Milieu. Marie-Élizabeth Rouland was born on 20th February, 1845 in Saint-Nicolas d'Aliermont. Dominique-Auguste-Rodolphe Delaporte was born on 20th February, 1849 in Saint-Nicolas d'Aliermont. Louis-Jules Duhamel was born on 20th February, 1866 in Saint-Nicolas d'Aliermont. Oskar Karl Renner was born on 20th February, 1887. Aimee-Gabrielle-Maximilienne Piard was born on 20th February, 1888 in Saint-Nicolas d'Aliermont. Jeanne-Marcelle Pannier was born on 20th February, 1891 in Saint-Nicolas d'Aliermont.
Albert-Achille Pigeon died on 20th February, 1862 in Saint-Nicolas d'Aliermont. Ulysse Nardin died on 20th February, 1876. Jean-Baptiste-Alexandre-Honoré Laneuville died on 20th February, 1885 in Saint-Nicolas d'Aliermont. Carl Schweizer died on 20th February, 1895 in Munich. Ignaz Rind died on 20th February, 1895 in Vienna.