We badly want to fit in and conform our views to history. Jonah Lehrer summarizes a study that examined how people recall hearing about the 9/11 attacks:
After one year, 37 percent of the details in their original story had changed. By 2004, that number was approaching 50 percent. The scientists have just begun analyzing their ten year follow-up data, but it will almost certainly show that the majority of details from that day are now inventions. Our 9/11 tales are almost certainly better – more entertaining, more dramatic, more reflective of that awful day – but those improvements have come at the expense of the truth. Stories make sense. Life usually doesn’t.
The Dish 