hasNotableFirsts

URI: https://gptkb.org/prop/hasNotableFirsts
3 triples
GPTKB property
Random triples
Subject Object
gptkb:United_States_postage_stamp first adhesive stamp issued in 1847
gptkb:United_States_postage_stamp first airmail stamp issued in 1918
gptkb:United_States_postage_stamp first Forever Stamp issued in 2007