When was the first Sergeant Major of the Marine Corps appointed?

The appointment of the first Sergeant Major of the Marine Corps occurred in 1957, establishing a key leadership role within the Marine Corps. This position was created to provide a senior enlisted advisor to the Commandant of the Marine Corps and to serve as a representative for all enlisted Marines. The first individual to hold this position, Sergeant Major Archer T. Gammon, was instrumental in shaping the role and responsibilities of the Sergeant Major, strengthening the link between the enlisted ranks and the command structure. This appointment was significant in enhancing the professionalism and leadership within the Marine Corps and is an important piece of Marine Corps history.