On June 12, 1874 Dietrich Gruen requests a patent for an improved Safety Pinion.
Etienne Lyanna was born on 12th June, 1700 in Geneva. Jean Jodin was born on 12th June, 1713 in Geneva. Ruffin-Sosthème Dulot was born on 12th June, 1807 in Saint-Nicolas d'Aliermont. Alexandre-Narcisse Gourdain was born on 12th June, 1841 in Saint-Nicolas d'Aliermont. Marie-Rosalie Timbert was born on 12th June, 1845 in Saint-Nicolas d'Aliermont. Jacques-Hyppolite Sénéchal was born on 12th June, 1851 in Saint-Nicolas d'Aliermont. Bertha-Blanche Desliens was born on 12th June, 1872 in Saint-Nicolas d'Aliermont. Edmond John Aubert was born on 12th June, 1905 in Le Solliat, Le Chenit. Fernand Élisée Aubert was born on 12th June, 1905 in Le Solliat, Le Chenit.
Michel-Charles-Boromé Delépine died on 12th June, 1833 in Saint-Nicolas d'Aliermont. Edmé-Ernest Dessiaux died on 12th June, 1885 in Saint-Nicolas d'Aliermont. Robert Roskell died on 12th June, 1888 in London. Ambroise-Nicolas Delépine died on 12th June, 1894 in Saint-Aubin-le-Cauf.