Assertion: cerium | /r/HasProperty | discovered in sweden
Facets:
value: by jöns jakob berzelius
type: OTHER
value: by wilhelm von hisinger
type: OTHER
value: by martin heinrich klaproth
type: OTHER
Source sentences:
text: Cerium was discovered in Sweden by Jöns Jakob Berzelius and Wilhelm von Hisinger, and independently in Germany by Martin Heinrich Klaproth, both in 1803.
text: Cerium was discovered, in 1803, in Sweden by Jöns Jakob Berzelius and Wilhelm von Hisinger, and independently in Germany by Martin Heinrich Klaproth, but not isolated as a metal until 1875 by Hillebrand and Norton.