 The build-up to World War 1 lead to orders for 5,000 aviation engines for Italy, Russia, France and United Kingdom.After the first world war they added 8 cylinder supercharged engines with aluminium pistons and 4 valves per cylinder, up to 6,000 cc.On 9 February 2007 Zagato announced the revival of the Diatto marque to celebrate its 100th anniversary.