Assertion: nitrogen | /r/HasProperty | liquefied at the jagiellonian university
Facets:
value: by karol olszewski
type: OTHER
value: on 15 april
type: TEMPORAL
value: by polish physicists zygmunt wróblewski
type: OTHER
Source sentences:
text: Nitrogen was first liquefied at the Jagiellonian University on 15 April 1883 by Polish physicists Zygmunt Wróblewski and Karol Olszewski.