is used since

URI: https://gptkb.org/prop/is_used_since
5 triples
GPTKB property
Random triples
Subject Object
gptkb:Presidential_Seal_of_Argentina gptkb:19th_century
gptkb:Roundel_of_Italy gptkb:World_War_I
gptkb:Presidential_seal_of_Abkhazia gptkb:1994
gptkb:The_Great_Seal 1782
gptkb:Royal_Canadian_Air_Force_roundel gptkb:World_War_II