Uncontacted contemporaries · 1,100 overlapping years
Olmec Civilization Jomon Culture
For 1,100 years — from 1,500 BCE to 400 BCE — both civilizations existed simultaneously. Neither this dataset nor the historical record shows any documented trade, war, or diplomatic contact between them.
Olmec Civilization
Gulf Coast, Mesoamerica
Considered the 'mother culture' of Mesoamerica, originating traits later inherited by the Maya and Aztec.
Jomon Culture
Japanese archipelago
A remarkably long-lived hunter-gatherer culture in Japan, notable for producing some of the world's earliest pottery long before agriculture took hold.
Traits both developed independently
With no documented contact, any shared trait below represents independent development rather than transmission from one to the other.
Olmec Civilization only
- Monumental architecture
- Irrigation agriculture
- Astronomical record-keeping
- Urban planning
Jomon Culture only
- Seafaring