As there has been a lot of other days when the world didn't end either, the key here is the fortunate mismatch between someone declaring the imminent end and the universe not bowing to the decree.
It is interesting that the last 20 of these predictions is from after AD 1800.
The best one is undoubtedly #29:
Friday 13th April 2007: An un-named punter placed a £10 best at 10,000/1 with Ladbrokes, the bookmakers, that the world would end on that day. It is unclear how he expected to collect.A note of caution, though. #2 - based on Matthew 16:28 - is easily misunderstood (and has been down the ages, hence many a doomsday sect) to necessarily mean the end of this universe. It seems at least equally probable to interprete it like New Testament scholar N.T. Wright in Chapter 13 (The Return of the King) of his lenghty but fast paced volume Jesus and The Victory of God.
Wright carefully argues (unlike e.g. The Jesus Seminar) that Jesus in fact was an apocalyptic prophet with an eschatological program. However, in view of the Old Testament, Wright concludes that Jesus "saw his journey to Jerusalem as the symbol and embodiment of YHWH's return to Zion".
In that case, the end of the world-images may well be taken as the end of the present phase of history. It is completed by Jesus' journey to Jerusalem and the fall of the city to the Romans in AD 70, which leads to a new Jewish exile.
Be that as it may. Before the world ends we still have time for another classic quote by Wright:
Heaven is important, but its not the end of the world.