Assertion: postage stamp | /r/HasProperty | introduced in switzerland
Facets:
value: within three years
type: TEMPORAL
Source sentences:
text: Within three years postage stamps were introduced in Switzerland and Brazil, a little later in the United States, and by 1860, they were in 90 countries around the world.
text: Within three years postage stamps were introduced in Switzerland and Brazil, a little later in the United States, and by 1860, they were in 90 countries around the world.