Ferrari N.V. (] ) is an Italian sports car manufacturer based in Maranello. Founded by Enzo Ferrari in 1939 out of Alfa Romeo's race division as "Auto Avio Costruzioni", the company built its first car in 1940. However the company's inception as an auto manufacturer is usually recognized in 1947, when the first Ferrari-badged car was completed.
Ferrari N.V. was founded and completed in 2 different decades.
The 30's are a different decade than the 40's.