End of the World
Historically, everyone has thought that the end of the world would happen in their lifetimes. Generations of your ancestors have been hoping to be able to participate in the Zombie Apocalypse - or to have Jesus Rapture their asses off this rock of ours. But their thinking isn't entirely false, as the end of the world happens to all of us, when your brain pan refuses to fire off electricity to the nurons.
But as to the newest poll, I have only one response. A meme, if you will.