How many years ago was the stone age?

The Stone Age did not have a specific start date, but it is generally considered to have begun over 2.6 million years ago with the emergence of the earliest known stone tools. The Stone Age ended around 3,000 BC, when humans began using metal tools. So the Stone Age lasted for approximately 2.6 million years.

Did the land bridges allow middle stone age people or to move around world?

How are Aztecs and Mayas different?

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