I was told that Satan started WWI before Oct 1914 to divert attention away from the birth of the kingdom
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You bring up some excellent arguments, Magnum, but unfortunately such simple logic will make no headway with a JW.
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To your point, had nothing happened in 1914 that fit WT prophecy, and life went on normally, I'm sure WT would have argued that WW1 DID happen...."invisibly".
Even if we show a little humor and accept WTs explanation as-is, the bigger question becomes: how completely inept is Jesus, in that he's supposed to be the new most-powerful king of the new most-powerful government in history- yet no one notices the event and his opponent easily diverts attention from him and wins the day?