Jean-Baptiste Allix was born on 21st October, 1738 in Saint-Nicolas d'Aliermont. Jean-Jacques-Baptiste Dumouchel was born on 21st October, 1762 in Saint-Nicolas d'Aliermont. Eugène-Louis-Alfred Troudet was born on 21st October, 1860 in Saint-Nicolas d'Aliermont. Emile-Eugène Gobourg was born on 21st October, 1864 in Bellengreville near Saint-Nicolas d'Aliermont. Jean-Baptiste-Hilarion Delépine was born on 21st October, 1772 in Saint-Nicolas d'Aliermont. Auguste Lucien Vérité was born on 21st October, 1806 in Beauvais. Marc Didisheim was born on 21st October, 1883. Eugénie-Gabrielle Toutain was born on 21st October, 1894 in Saint-Nicolas d'Aliermont. Carl Rivoir was born on 21st October, 1895.
Jean-Michel-Tranquille Cailly died on 21st October, 1833 in Saint-Nicolas d'Aliermont. Fanny Ducommun died on 21st October, 1855. Julie Huguenin died on 21st October, 1866 in La Chaux-du-Milieu. Célestine-Joséphine Piard died on 21st October, 1880 Saint-Nicolas d'Aliermont. Sigmund Riefler died on 21st October, 1912 in Munich. George Daniels died on 21st October, 2011 of the Isle of Man.