Assertion: hemoglobin's oxygen | /r/HasProperty | liquefied in stable state
Facets:
value: for the first time on march
type: TEMPORAL
Source sentences:
text: Oxygen was liquefied in a stable state for the first time on March 29, 1883 by Polish scientists from Jagiellonian University, Zygmunt Wróblewski and Karol Olszewski.