Probably, but there is some evidence that Australian aboriginal oral traditions have preserved information for at least 16,000 years or so, i.e. well into the l

Probably, but there is some evidence that Australian aboriginal oral traditions have preserved information for at least 16,000 years or so, i.e. well into the last ice age. IIRC there are two specific instances, one involving astronomical observations that can be dated to about that long ago, and another involving geography, where the stories speak of an area of land as it would have appeared when sea levels where much lower during the ice age.