Assertion: cerium | /r/HasProperty | discovered in same year
Facets:
value: by berzelius
type: OTHER
value: by wilhelm hisinger in sweden
type: OTHER
value: by martin heinrich klaproth in germany
type: OTHER
value: by hisinger
type: OTHER
Source sentences:
text: Cerium was discovered in 1803 by Berzelius and Hisinger, and independently by Klaproth in the same year.
text: Cerium was discovered in 1803 by Jons Jakob Berzelius and Wilhelm Hisinger in Sweden, and independently by Martin Heinrich Klaproth in Germany in the same year.