Assertion: maltese's dog | /r/HasProperty | depicted in art
Facets:
value: as early as the 1600s
type: TEMPORAL
Source sentences:
text: Dogs resembling them were depicted in art as early as the 1600s, but it was not until the 1800s that they were definitely developed into a distinct breed, the "reh pinscher" (reh because they resembled the German reh deer, and pinscher meaning terrier).