Assertion: unison | /r/HasProperty | greenland
Facets:
value: in early 1800s deeds
type: TEMPORAL
Source sentences:
text: Founded in about 1740 by Quakers who had migrated down from Pennsylvania, via Maryland and across the Potomac to the fertile farmlands of Northern Virginia, the village and its surrounds - later to become known as Union, and then Unison - was referred to as "Greenland" or "Butterland" in early 1800s deeds.