Jean-François Hurel was born on 21st August, 1755 in Saint-Jacques-d'Aliermont bei Saint-Nicolas d'Aliermont. Antoine Affre was born on 21st August, 1779. Jean-Baptiste Lechartier (Chartier) was born on 21st August, 1780 in Coutance. Michel-Cyprien Cailly was born on 21st August, 1791 in Saint-Nicolas d'Aliermont. Eduard Hauser was born on 21st August, 1825 in Oberrottweil. Emile Louis Japy was born on 21st August, 1837 in Beaucourt. Rose-Armante Croutte was born on 21st August, 1845 in Saint-Nicolas d'Aliermont. Florine Eugénie Chevallier was born on 21st August, 1866 in Saint-Nicolas d'Aliermont. Ludwig Josef Bartoniczek was born on 21st August, 1866. Georges-Julien Sénéchal was born on 21st August, 1881 in Saint-Nicolas d'Aliermont. Marie Thérèse Aline Gabet was born on 21st August, 1907 in Villers-le-Lac, Doubs.
Pierre André Rilliet died on 21st August, 1735 in Thoiry. Alfred Huguenin died on 21st August, 1869 in Bôle. Hector Henri LeCoultre died on 21st August, 1913.