Assertion: commercial postcard | /r/HasProperty | sold at the columbian exposition
Facets:
value: in 1893
type: TEMPORAL
value: in chicago illinois
type: LOCATION
Source sentences:
text: The first commercial postcards produced in this country were sold at the Columbian Exposition in Chicago Illinois in 1893.
text: The first commercial postcards produced in this country were sold at the Columbian Exposition in Chicago Illinois in 1893.