In 1934 the Reichluftfahrtministerium put out a requirement for a light and small fighter. It was to replace the Heinkel He 51 and Arado Ar 68. The prototype V1 is designed by Willy Messerschmitt and Walter Retheland, and wins against the Heinkel He 112, Arado Ar 80, and Focke-Wulf FW 159.
Me-109A Enters production. With the B version, A 20 mm cannon that fires through the propeller is installed. Until the E version, 670–700 PS (660-690 HP) Junkers Jumo 210 series engines are used.
The Messerschmitt Bf 109C is entering service. Two machine guns were placed in the wings because problems with the 20 mm gun firing through the propeller. This version also shows up with the Legion Condor in Spain, and totally dominates the sky.
The Me 109E or "Emil" is entering service with the Luftwaffe. Primary fighter for the first two years of the war, production is stopped in early 1942. This serie had struts under the wings, deleted with the Me 109F series. A naval variant, the Bf 109T, is also produced for the future aircraft carrier Graf Zeppelin.
Introduction of the Bf109F. It was given more powerful Daimler-Benz DB 601N/601E engines along with aerodynamic improvements. Smoother engine cowl, enlarged spinner, rounded wing tips, reduced rudder, retracted tailwheel, improved ailerons and flaps were also improved.
The Bf 109G appears, with the Daimler-Benz DB 605A engine F airframe. Kits for fighter-bomber, reconnaissance, and tropical versions are also given for field conversions.
The bf 109H enters service with the Luftwaffe. Still based on the airframe of the Bf 109 F but with a pressurized cockpit for high altitudes interceptions. The Bf 109 H-0 preproduction model tries the 1,300 hp Daimler-Benz DB 601 E-1 fitted with GM1 nitrous oxide boost.
The Bf 109 K is the new standard from September 1944. Based on the G-10 with the "Galland Hood". Its main undercarriage doors are modified, and it is given a longer tailwheel. Most importantly the Daimler-Benz DB 605DB (1,850 hp) is introduced and from October the K-2 and K-4 are introduced.
The Czech Avia S-199 "Mezek" built on the ancient factory line enters service. This is the last postwar version, also used by Israeli pilots in the 1947 independance war.
A dozen of Hispano Ha-1112 of the Spanish Air Force are used for the movie "The Battle of Britain". These are license-built versions of the G2 with local Hispano-Suiza 12Z-89 engines but the final L2 "Buchon" of 1954 is given a RR Merlin engine. About 265 in all are built after the first flight in 1944, retired in 1965.