Maybe I'm just a Lamborghini fanatic cause I already knew about those
Ferruccio Lamborghini began by making tractors. There are technically more Lamborghini tractors than there are supercars. Ferruccio was actually a Ferrari enthusiast. His three Ferrari kept having the same clutch problems however, and when he went to Enzo Ferrari (founder of Ferrari) with his complaints, Ferrari insulted him saying a tractor builder had no right to criticize his cars. Ferruccio then got some guys together and built the Lamborghini 350 GT to rival Ferrari, and so it all began
/history