IMO as the ancient age ended with the fall of the Western Empire, the middle ages ended with the Fall of Constantinapole: to some degree it triggered art and ph

IMO as the ancient age ended with the fall of the Western Empire, the middle ages ended with the Fall of Constantinapole: to some degree it triggered art and philosophy renessance, geographical discoveries in the West. on the other hand the right question is when did the Medieval Period End where? like the Stonehenge was built after the great pyramids, the former considered belonging to the prehistoric age, the latter to the ancient one.