Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.

Leutnant Kurt Wintgens (1 August 1894 25 September 1916) was a German World War I fighter ace. He was the first military fighter pilot to score a victory over an opposing aircraft, while piloting an aircraft armed with a synchronized machine gun. Wintgens was the recipient of the Iron Cross and the Pour le Mrite (Blue Max).

Leutnant (German pronunciation: [ˈlɔʏtnant]; OF-1b) is the lowest Lieutenant officer rank in the armed forces of Germany (Bundeswehr), Austrian Armed Forces, and military of Switzerland.