French pilot Lieutenant Roland Garros scores the first kill achieved by firing a machine gun through a tractor propeller when he shoots down a German Albatros observation plane. With no synchronization gear yet available for his machine gun, he uses metal deflector wedges installed on the propeller of his Morane Saulnier L fighter to keep the machine gun from shooting off his own propeller blades. It is also his first kill. He will score two more victories this way, on April 15 and April 18.