旧石器時代は何年続いた？
The Paleolithic or Palaeolithic () is a period in human prehistory distinguished by the original development of stone tools that covers c. 99% of human technological prehistory. It extends from the earliest known use of stone tools by hominins c. 3.3 million years ago, to the end of the Pleistocene c. 11,650 cal BP.
3.3 million years ago