04.05.1924 Helicopter of French engineer Emil Emishten flew 1100 meters (7 min, 40 sec) first. It was four-propeller helicopter with one 120 hp engine.
04.05.1941 Maiden Flight of a famous airplane of all times, and the biggest single seat fighter of WW2, the Republic P-47. Republic P-47 Thunderbolt
04.05.1982 The RN HMS Sheffield was hit and sunk (on 10th May) by a AM.39 Exocet, launched by Super Etendarts of COAN (Comando Aviacion Naval Argentina, Argentinean Naval Air Command), this was the first Royal Navy vessel lost to enemy action since WW2. Dassault Etendard IV/Super Etendard
