1904: Marc Birgkit and Damien Matèu found "Fabrica de Automoviles Hispano-Suiza" in Barcelona (Spain).

1905: Louis Seguin founds the company Gnome (June 6).

1907: studies kick off for the first aeronautical rotary engine, the Gnome Omega.

1907: Société des Moteurs Renault starts to make aircraft engines.

1909: Ettore Bugatti founds his automobile company.

1909: start of volume production of the Gnome Omega.

1910: Léon Morane breaks the 100 km/h mark for the first time, with a Blériot monoplane powered by a Gnome Omega.