estimated construction date

7 triples
GPTKB property

Random triples
Subject Object
gptkb:Conus_Mound circa 100 BCE – 400 CE
gptkb:Carrowkeel c. 3400–3100 BCE
gptkb:Stonehenge,_Wiltshire,_England c. 3000 BC – 2000 BC
gptkb:Ganghwa_Dolmen_Sites 1st millennium BCE
gptkb:House_on_Fire circa 1200 CE
gptkb:Arg-e_Bam gptkb:Achaemenid_Empire
gptkb:Liangzhu_Ancient_City circa 3300 BCE