HamzaLippisch on DeviantArthttp://creativecommons.org/licenses/by-nc-nd/3.0/https://www.deviantart.com/hamzalippisch/art/A-drone-ahead-of-its-time-Argus-As-292-698425691HamzaLippisch
Drones aren't so recent after all. The Argus As 292 was developed in 1939 as a remote controlled training target. Following to its success, reconnaissance and a bigger bomber variant were proposed. Ultimately, the project was abandoned leaving the ground to the famous V1.
Just an additional info: The British Navy conducted experiments with a drone, able to drop a torpedo, as early as 1917! And so called Queen Moths, radio controlled converted Gypsy Moths were used as target planes as early as 1938.