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

  1. Jomon Culture Japanese archipelago 14,000 BCE – 300 BCE Independent
  2. Indus Valley Civilization Indus River Basin, South Asia 3,300 BCE – 1,300 BCE Independent
  3. Minoan Civilization Crete, Aegean Sea 3,000 BCE – 1,100 BCE Independent
  4. Old Kingdom Egypt Nile Valley, North Africa 2,686 BCE – 2,181 BCE Post-contact
  5. Mycenaean Greece Greek mainland and Aegean 1,600 BCE – 1,100 BCE Post-contact
  6. Egyptian New Kingdom Nile Valley and Levant 1,550 BCE – 1,077 BCE Post-contact
  7. Phoenician City-States Levantine coast 1,200 BCE – 539 BCE Independent
  8. Etruscan Civilization Central Italy 900 BCE – 27 BCE Independent
  9. Carthaginian Empire North African coast and western Mediterranean 814 BCE – 146 BCE Post-contact
  10. Achaemenid Persian Empire Iranian Plateau to the Indus 550 BCE – 330 BCE Post-contact
  11. Roman Republic Italian Peninsula, expanding to Mediterranean 509 BCE – 27 BCE Post-contact
  12. Classical Athens Attica, Greece 508 BCE – 322 BCE Post-contact
  13. Maurya Empire Indian subcontinent 322 BCE – 185 BCE Post-contact
  14. Han Dynasty East Asia 206 BCE – 220 CE Independent
  15. Roman Empire Mediterranean basin and Western Europe 27 BCE – 476 CE Post-contact
  16. Kingdom of Aksum Horn of Africa 100 CE – 940 CE Independent
  17. Sassanid Empire Iranian Plateau and Mesopotamia 224 CE – 651 CE Post-contact
  18. Gupta Empire Northern Indian subcontinent 320 CE – 550 CE Independent
  19. Byzantine Empire Eastern Mediterranean and Anatolia 330 CE – 1453 CE Post-contact
  20. Postclassic Maya (Chichén Itzá era) Northern Yucatán 900 CE – 1524 CE Independent
  21. Chimú Kingdom Northern coastal Peru 900 CE – 1470 CE Independent