Wikipdeia is correct on occasion at best. period. I finished up my grad work 2 years ago and i had a professor that FAILED a grad student for siting wikipedia as a source. He then gave a 20 minute lecture on wikipedia that i am not going to recite for you, but it convinced me.
Skakaramunga: you are very close on what the Mayan's "saw" coming. No one knows, or do they? They? Well, "they" could be governments, space agencies, universities, etc. Well why doesn't someone speak up and warn the masses? No one wants chaos and hysteria to overcome proactive thining, etc. Again, nothing may happen. Or, polar shift, space time continium collapse, enlightenment, nuclear war, mass hysteria from media misinformation, Nibiru (planet X) takes us out.......anything could happen.
Just don't forget the sceince - and remember this is about the calendar and why it ended at 2012. it is not about modern day conspiracy theories.