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by: Jenni Reker | Published on: 6/23/06
Some of the most advanced and earliest civilizations in the Western Hemisphere were in what is now Mexico. Historians note that hunters lived in the area in 21000 BC or perhaps even before that. Cultivation of crops started in 8000 BC, with squash as the probable first crop.
by: John Hilde | Published on: 8/22/08
The earliest form of medieval armor -- mail (a.k.a. 'chain mail') -- traces its origins back to around 500 BC. The Celtic people developed this kind of armor -- iron rings woven together into a protective garment -- and the Roman Army later copied this engineering to protect its soldiers.