Assertion: modern barbed wire | /r/HasProperty | invented by joseph glidden
Facets:
value: in the late 1860s
type: TEMPORAL
value: in the usa
type: LOCATION
Source sentences:
text: Modern barbed wire was invented by Joseph Glidden in the USA in the late 1860s/early 1870s, and first appeared in New Zealand in the late 1870s.