https://in-africa.org/origins-2/#:~:text=Indeed%2C%20the%20coalescent%20of%20the%20two%20basal%20human,%E2%80%93%20have%20probably%20been%20accumulating%20since%20then%2022.
I believe it was around 150,000 years ago during the Marine Isotope Stage 6 period.
And no, I did not dredge this up...