Friedrich von Knauss was born on 7th April, 1724 in Stuttgart. Pierre-Benjamin Amalric was born on 7th April, 1732. Théodore-Marie Leroy was born on 7th April, 1827 in Argenteuil. Frédéric-Ulysse Huguenin (Dumittan) was born on 7th April, 1829 in Les Ponts-de-Martel. Delphine-Argentine Calbry was born on 7th April, 1835 in Envermeu. Pauline-Adélaïde-Elise Torchy was born on 7th April, 1865. Angélina-Henriette Hardy was born on 7th April, 1883 in Saint-Nicolas d'Aliermont. Georg Gaszner was born on 7th April, 1946 in Vienna.
Johann Norbert Hölderich died on 7th April, 1806. David-Henri Grandjean died on 7th April, 1846 in Le Locle. Henriette-Rosine Gauray died on 7th April, 1858 in Saint-Nicolas d'Aliermont. Jacques-Philippe Lejoille died on 7th April, 1866 in Saint-Nicolas d'Aliermont. Marie-Madeleine Delépine died on 7th April, 1871 in Saint-Nicolas d'Aliermont. Étienne-Alexandre Grébauval died on 7th April, 1901 in Saint-Nicolas d'Aliermont. Henri Ernest Guillaume died on 7th April, 1902 in Le Locle. Armante-Alexandrine Crevier died on 7th April, 1904 in Saint-Nicolas d'Aliermont.