the Nineveh Number....that is a complicated one to explain.  Basically, ancient Assyrian cuneiform tablets have a 15 digit number inscribed on them.  From like 4000 yrs ago.  New research indicates that this number correctly identifies the orbital period, in seconds, of planets in the solar system.  It is equally divisible into all the times of all the planets.  It also explains why the Sumerians used the number 60 as the base of their number systems.  The bottom line:  ancient man knew far far more about everything than we do today.  How?  The easy & hard answer:  someone who knew for sure told them.  Want to know more?  Read "The Source Field Investigations" by David Wilcock.  It will probably change your life and view of everything.