c. 3,000 BCE
Communication
Egypt
Papyrus
Pressed reed sheets give Egypt a light, portable writing surface.
Why it mattered
Records could travel, enabling administration at imperial scale.
Bronze Age
3,000 BCE
3 recorded milestones at this point in the record.
c. 3,000 BCE
Science
Britain
Stonehenge sarsen circle
Neolithic Britons hauled and jointed multi-tonne stones aligned to the solstices.
Why it mattered
Monumental astronomy built by societies without writing or metal tools.
c. 3,000 BCE
Agriculture
Andes
Llama and alpaca herding
Andean herders bred camelids for wool, meat and transport.
Why it mattered
The pack animal that made highland empires possible.
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Nearby in the record
c. 3,300 BCETechnology
Bronze alloying
Southwest Asia
3,200 BCECommunication
Cuneiform writing
Sumer
c. 3,100 BCECommunication
Egyptian hieroglyphs
Egypt
c. 2,900 BCETechnology
Glass making
Mesopotamia and Egypt
c. 2,900 BCESociety
Sumerian city-state assemblies
Mesopotamia
c. 2,800 BCEMedicine
Ebers and Edwin Smith surgical practice
Egypt