date constructed

URI: https://gptkb.org/prop/date_constructed
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Vicksburg_fortifications 1861
gptkb:Fort_Ancient circa 100 B. C.
gptkb:Great_Circle_Earthworks 100 BC
gptkb:Mound_at_Circleville circa 100 BC