马上了。看历史，人类发展速度是越来越快。Stone Age几百万年，Bronze age三千六百年...

来源: 于 2025-01-18 22:13:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
Timeline of the Periods in History
  • Stone Age: 3.3 million to 5,000 years ago.
  • Bronze Age: 5,000 to 1,400 years ago (1,200 BC)
  • Iron Age: 1,200 BC to 500 BC.
  • Classical Era: 500 BC to 500 AD.
  • Medieval Era: 500 AD to 1500 AD.
  • Early Modern Era: 1500 AD to 1800 AD.
  • Modern Era: 1800 AD to present.