This video series explores some of the main ideas that have been suppressed by patriarchies over the last 3 millennia.
There is ample evidence that prior to 2400 BCE most cultures around the world were still matriarchy-leaning, what we now know were prepatriarchal.
This chart comes from p. 175 of the paperback edition of Pitiless Bronze: A Postpatriarchal Examination of Prepatriarchal Cultures to demonstrate how so many ancient symbols represent the female reproductive system.