Assertion: belgian sheepdog | /r/UsedFor | first time
Facets:
value: in the 1890s
type: TEMPORAL
Source sentences:
text: In the 1890s, the Belgian shepherds were for the first time identified into four main types: the Groenendael (also referred to as a Belgian sheepdog), the Malinois, the Tervuren, and the Laekenois.