READ: The Iron Age (article) | Khan Academy
https://www.khanacademy.org/humanities/whp-origins/era-3-cities-societies-and-empires-6000-bce-to-700-c-e/32-long-distance-trade-betaa/a/read-the-iron-age-beta
WEBThe Iron Age lasted roughly from 1500 BCE to 500 BCE. We're used to iron now, but iron-making technology was a major innovation, and it took thousands of years for people to figure it out. Smelting 1 bronze wasn't exactly easy either, so let's compare. To make bronze, you combine tin and copper, melting them at about 950 degrees Celsius.
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