François Joseph Sarton was born on 22nd April, 1779 in Liège. Rose-Perpétue Delépine was born on 22nd April, 1812 in Saint-Nicolas d'Aliermont. Pierre-Nicolas Breton was born on 22nd April, 1820 in Saint-Nicolas d'Aliermont. Gustave-Arsime Rouland was born on 22nd April, 1840 in Saint-Nicolas d'Aliermont. Dietrich Gruen was born on 22nd April, 1847 in Osthofen. Jean-Baptiste-Isidore Pégis was born on 22nd April, 1851 in Saint-Nicolas d'Aliermont. Louis-Alphonse-Édouard Baveux was born on 22nd April, 1876 in Saint-Nicolas d'Aliermont. Léon Hatot was born on 22nd April, 1883 in Châtillon-sur-Seine.
Frédéric Huguenin (Sur le Rez) died on 22nd April, 1758 in La Chaux-de-Fonds. Antoine Toussaint Le Noir died on 22nd April, 1772. Jean-Juste Stalin died on 22nd April, 1837 in Saint-Nicolas d'Aliermont. Pierre-Émérand Dulot died on 22nd April, 1838 in Martin-Église. Henri-Louis Roi died on 22nd April, 1843 in La Chaux-de-Fonds. Nicolas-Hypolite-Cinna (Sinna) Piard died on 22nd April, 1876 in Saint-Nicolas d'Aliermont. Victor-Sauveur Batté died on 22nd April, 1895 in Saint-Nicolas d'Aliermont.