What was the name of the first fighter?

The first fighter aircraft is generally considered to be the Vickers F.B.5 Gunbus, which was introduced by the British in 1914 during World War I. It was designed to carry a machine gun and engage enemy aircraft, marking the beginning of aerial combat. The F.B.5 was notable for its pusher configuration, where the engine was located behind the pilot, allowing for better visibility and protection.