Assertion: chemical weapon's use | /r/HasProperty | illegal
Facets:
value: since the hague conventions of 1899
type: TEMPORAL
value: under international law
type: OTHER
Source sentences:
text: Since 1899, several international laws have said that using chemical weapons is illegal.
text: Chlorine is not considered a chemical weapon, though using any toxic material as a weapon is illegal under international law.
text: (Using them has been illegal since The Hague Conventions of 1899, signed just across town—though that did not stop Germany and Britain from gassing each other’s troops during the first world war.)