Aerial combat of 5 October 1914
1914 CE.
Shown on the map at 49.287°, 3.816°.
The first aerial combat in history that ended in a victory for an air force took place in the region of the city of Reims in France on 5 October 1914, at the start of the First World War. French Corporal Louis Quenault, aboard a Voisin III piloted by Sergeant Joseph Frantz, shot down a German Aviatik.
Text from the Wikipedia article Aerial combat of 5 October 1914, licensed CC BY-SA 4.0.