Charles Taze Russell founded the Jehovah's Witness religion based on Pyramidology, and used it to originally calculate 1914. Later they had to fudge the numbers of the fall of Jerusalem to 607 BCE, when it was actually destroyed in 587-586 BCE.

Pictures taken from 9 sets of independent encyclopedias, all produced by different authors and companies. How many of them agree with the JWs 607 BCE date? See for yourself.