What was the name of the first jetplane in the world?

The first jet plane in the world was the Heinkel He 178, which made its maiden flight on August 27, 1939. Designed by German engineer Heinrich Focke and powered by a turbojet engine, the He 178 marked a significant milestone in aviation history, demonstrating the potential of jet propulsion. While it was not used in combat, its development paved the way for future jet aircraft.