Well, at least it isn't only secular knowledge that is lacking in the US:
http://religion.blogs.cnn.com/2010/0...-finds/?hpt=C1
The page offers 10 questions from the
Peee-yu! poll-- take that before you read the article because one or two of the (freaking obvious) answers might be spoiled in the text. (I got 10 out of 10, but then again it wasn't exactly challenging questions.)