It is widely agreed that the development of language goes back at least 50k-150k years ago, so way before that time period: https://en.wikipedia.org/wiki/Origin

It is widely agreed that the development of language goes back at least 50k-150k years ago, so way before that time period: https://en.wikipedia.org/wiki/Origin_of_language https://en.wikipedia.org/wiki/Origin_of_language