In the early 1900s, Belgian Shepherds were already being used as police dogs in Europe, with a few even performing that duty in America.
In World War I, they served as sentries, messengers, and even draft dogs.
The AKC recognized all the coat varieties as one breed, the Belgian Sheepdog, in 1912. The AKC divided them into three separate breeds — the long-coated black Belgian Sheepdog, the long-coated sable Belgian Tervuren, and the short-coated sable