There were many fighter planes in WW1 and in the 1920's and early 30's.
The date you mention was that of the first flight of K5054, the Spitfire prototype.
The first Spitfire test flight was in March 1936
The first Spitfire prototype, K5054 was flown on 5th of March 1936.
RAF Fighter Command was created in 1936.
Plane Dippy - 1936 was released on: USA: 30 April 1936
Border Flight - 1936 was released on: USA: 29 May 1936 Denmark: 14 December 1936 Finland: 1 January 1937
March 30, 1936 fell on a Monday.
March 12, 1936 fell on a Thursday.
Jego wielka milosc - 1936 was released on: Poland: 4 March 1936 USA: 23 March 1936
The first Supermarine Spitfires were built in 1936, with the prototype, designated K5054, taking its first flight on March 5 of that year. The aircraft was developed as a response to the British Air Ministry's requirement for a new fighter. Production models began entering service with the Royal Air Force in 1938, just in time for the outbreak of World War II.
They began dating in 1936. They were married from March 29, 1939 until her death in a plane crash on January 16, 1942.
The Farmer in the Dell - 1936 was released on: USA: 6 March 1936 (New York City, New York) USA: 27 March 1936
Pierpin - 1936 was released on: USA: 26 March 1936