Though estimations vary widely, it is believed by scholars that Afro-Asiatic was spoken as a single language around this time period. (jan 1, 16000 BC – jan 1, 10000 BC)
Description:
https://en.wikipedia.org/wiki/Afroasiatic_languages
https://en.wikipedia.org/wiki/Proto-Afroasiatic_language
Ehret, Christopher (1995). Reconstructing Proto-Afroasiatic (Proto-Afrasian): vowels, tone, consonants, and vocabulary. University of California Press. ISBN 0-520-09799-8
Added to timeline:
Date:
jan 1, 16000 BC
jan 1, 10000 BC
~ 6003 years
Geo: