Iwan Petrowitsch Kulibin died on 11th August, 1818 in Nischni Nowgorod. Frédéric-Ulysse Huguenin died on 11th August, 1884 in Les Ponts-de-Martel. Carl Jupitz died on 11th August, 1885. Léon Breitling died on 11th August, 1914.