c. 700 BCE
Technology
Persia
Aqueducts and qanats
Underground channels carry mountain groundwater to arid settlements.
Why it mattered
Cities could grow far from rivers.
Antiquity
700 BCE
2 recorded milestones at this point in the record.
c. 700 BCE
Warfare
Mesopotamia
Assyrian siege engineering
Assyrian armies standardised battering rams, siege ramps and engineer corps.
Why it mattered
Made fortified cities conquerable and empire enforceable.
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