What lasted from 100000 bc to 8000bc?

The period from 100,000 BC to 8,000 BC is known as the Upper Paleolithic to the end of the Mesolithic era. It was characterized by the development of early human societies, the use of stone tools, and the emergence of art and cultural practices. During this time, humans were primarily hunter-gatherers, adapting to various environments and climates. The end of this period marks the transition to the Neolithic era, when agriculture began to develop.