Chart  One shows more or less familiar things, and, unlike all the following charts, it takes us through three powers of ten, from 1,000 (10³) years ago to 1,000,000 (10⁶) years ago - roughly the span of mankind.

Apart from the timing of the Pleistocene glaciations and associated events, most of the matters mentioned in this chart aren't the subject of this course:  they are the stuff of anthropology, archaeology or history.