You may as well chuck in The Doors doing The End if we're doing song quotes.
On which note doyou want a date? Popular one's are the year 1500 in the Muslim calendar (which many sects think is the end date) or, if you want some more time how about 2076, which is they year 6000 in the Jewish calendar.
Why rely on dates that may or may not mean something on a calendar system? Just ask a Jehovah's Witness who, allegedly, say the Battle of Armageddon will being in 2014.
Oddest is probably the Mayan calendar which just stops on December 28th 2012 as the last long cycle finishes. Perhaps this means the end of the world, perhaps it just means even ancient civilisations had their own Y2K bugs.
