If you asked a JW this question, they would of course deny that they have ever predicted anything. All along the literal generation-interpretation the idea was that it would happen "before the generation that saw 1914 had passed away". And when accused of making predictions, they would then say "hey, we`re not saying the day or the hour, only Jehovah knows that" with a goodd conscience. Of course, even then, it is clear that there definitely was an underlying prediction (that it had to happen before the the literal generation had passed away, which meant before 1994 or whatever). And then there was 1975 and 1925, of course, but none of the young ones remember 1975, and the older ones just pretends it never happened. My mother said "but that was some individual wtinesses speculating", and she even believed that (even though she was totally into it in 1875, and, from what my older siblings says, totally nuts that year). But at least technically, they can now say that they have stopped predicting (since the -95-change)...
Of course, that doesn`t help much. Once a false prophet, always a false prophet. But JWs will deny that these prophecies even ever occured. The brains never worked well on planet JW.