What year did the war department first reference non-commissioned officers chevron?

The reference to non-commissioned officers' chevrons by the War Department first occurred in 1821. This year marked a significant development in the official recognition and uniform identification of non-commissioned officers in the United States Army. The chevron insignia, which signifies rank, helped to establish a clear visual representation of rank and authority among soldiers, thus enhancing organizational structure and command hierarchy within the military.

Understanding this context is important, as earlier or later dates do not correspond with documented Army regulations or historical accounts regarding the formal introduction of the chevron insignia. The reference in 1821 laid the groundwork for the evolution of rank insignias that continue to play a vital role in military structure today.