Notice the sites of the most significant ancient monuments on the old equator, before the last pole shift, including Giza, Nazca, Angkor Wat, Easter Island, Mohenjo-Daro, etc.
Graham Hancock has written many books on ancient civilization, and concluded long ago that astronomical alignments in ancient Egyptian monuments point to a time when survivors from the previous, pre-poleshift civilization attempted to preserve their knowledge – around 10,500-10,800 B.C. (LINK)
“In Graham Hancock’s excellent publication,“Heaven’s Mirror”, he supports the work of Robert Bauval in determining the time of Zep Tepi – the First Time, and states :
“… there was only one epoch in which heaven and earth locked together perfectly…and only in that epoch, that the pattern of the pyramids on the ground would have exactly replicated the pattern of the three belt stars and is only perfect in the astronomical ‘first time’ of 10 500 BC.”
I find it interesting that recently discovered ruins in Turkey known as Gobekli Tepe have astronomical clues pointing to 10,890 B.C. Data from the Greenland ice sheet, and other sources point to the same time frame.
This is roughly one half precession cycle back in time. Cataclysms may occur predictably, twice every (approximately) 25,800 years – every 12,900 years. Some evidence indicates we are due for the next event in December 2019. Other evidence indicates the events are only approximate and not predictable. Either way, many clues suggest we are due for a cosmic destructive event soon.