Independent convergence
Seafaring
Open-water maritime travel and trade, beyond simple river or coastal craft.
21
civilizations with this trait
10
developed it with no documented contact with an earlier adopter
14,000 BCE
earliest known adopter: Jomon Culture
Timeline of adoption
Likely independent adoption Adopted after contact with an earlier adopter
Full list, earliest first
- Jomon Culture Japanese archipelago 14,000 BCE – 300 BCE Independent
- Indus Valley Civilization Indus River Basin, South Asia 3,300 BCE – 1,300 BCE Independent
- Minoan Civilization Crete, Aegean Sea 3,000 BCE – 1,100 BCE Independent
- Old Kingdom Egypt Nile Valley, North Africa 2,686 BCE – 2,181 BCE Post-contact
- Mycenaean Greece Greek mainland and Aegean 1,600 BCE – 1,100 BCE Post-contact
- Egyptian New Kingdom Nile Valley and Levant 1,550 BCE – 1,077 BCE Post-contact
- Phoenician City-States Levantine coast 1,200 BCE – 539 BCE Independent
- Etruscan Civilization Central Italy 900 BCE – 27 BCE Independent
- Carthaginian Empire North African coast and western Mediterranean 814 BCE – 146 BCE Post-contact
- Achaemenid Persian Empire Iranian Plateau to the Indus 550 BCE – 330 BCE Post-contact
- Roman Republic Italian Peninsula, expanding to Mediterranean 509 BCE – 27 BCE Post-contact
- Classical Athens Attica, Greece 508 BCE – 322 BCE Post-contact
- Maurya Empire Indian subcontinent 322 BCE – 185 BCE Post-contact
- Han Dynasty East Asia 206 BCE – 220 CE Independent
- Roman Empire Mediterranean basin and Western Europe 27 BCE – 476 CE Post-contact
- Kingdom of Aksum Horn of Africa 100 CE – 940 CE Independent
- Sassanid Empire Iranian Plateau and Mesopotamia 224 CE – 651 CE Post-contact
- Gupta Empire Northern Indian subcontinent 320 CE – 550 CE Independent
- Byzantine Empire Eastern Mediterranean and Anatolia 330 CE – 1453 CE Post-contact
- Postclassic Maya (Chichén Itzá era) Northern Yucatán 900 CE – 1524 CE Independent
- Chimú Kingdom Northern coastal Peru 900 CE – 1470 CE Independent