HistoryCirca 9000 BC (Pre-Pottery Neolithic)Southeastern Turkey (Upper Mesopotamia)high confidence

Construction at Göbekli Tepe began around 9000 B.C., centuries before the first domesticated grains appeared at settlements in the surrounding region.

Notes on verification

Verified against multiple independent, credible sources including Wikipedia, Nature, and World History Encyclopedia, all corroborating both the construction date and its precedence over domesticated grain evidence in the region. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.925 clusters=2 claim_tier=notable]

Sources