Augustin Le Noir was born on 20th November, 1705 in St Germain. Marie-Anne-Dorothée Croutte was born on 20th November, 1785 in Saint-Nicolas d'Aliermont. Jean-Nicolas Hardy was born on 20th November, 1785 in Saint-Nicolas d'Aliermont. Émérice-Joséphine Piard was born on 20th November, 1811 in Saint-Nicolas d'Aliermont. Théodore-Arsène Croutte was born on 20th November, 1812 in Saint-Nicolas d'Aliermont. Ozélia-Virginie Bignard was born on 20th November, 1814 in Saint-Nicolas d'Aliermont. Edmond-Achille Conseil was born on 20th November, 1830 in Saint-Nicolas d'Aliermont. Laure L'Epée was born on 20th November, 1832 in Dombresson (Canton of Neuchâtel). Adelrich Beyer was born on 20th November, 1858 in Zürich. Albert-Auguste-Alexandre Grébauval was born on 20th November, 1895 in Saint-Nicolas d'Aliermont.
Thomas Tompion died on 20th November, 1713 in London. Jean-François-Nicolas Allix died on 20th November, 1851 in Saint-Nicolas d'Aliermont. Geneviève-Modeste Piard died on 20th November, 1859 in Saint-Nicolas d'Aliermont. Noémie-Éloise Bignard died on 20th November, 1867 in Saint-Nicolas d'Aliermont.