Industry Developments in Spain By charimontes 1981 BCE FIrst FITUR 1969 BCE Internet invention 1916 BCE first communication between pilots airplane 1888 BCE Expo. Barcelona 1859 BCE first combustion engine Apr 30, 1916 first time change Apr 14, 1931 Second Spanish Republic Dec 6, 1978 Spanish constitution Jan 1, 2002 arrival € Jun 4, 2016 first mining tourism fair