Assertion: uranium | /r/HasProperty | discovered by german chemist
Facets:
value: in 1789
type: TEMPORAL
Source sentences:
text: Uranium was discovered by German Chemist named Martin Heinrich Klaproth in Berlin (1789).
text: Uranium is a radioactive element discovered by the German chemist Martin Klaproth in 1789, which he decided to name after Uranus for some reason.