http://www.google.co...l&date=all&sort=0
A big spike in March 2007 which apparently is related to the release of an animated short of the same name by Markos Kounalakis in 2006.
http://www.youtube.c...tch?v=IRVod4PwQHs (14:02).
There seems to be too little data on the War Prayer to make any conclusions.
GoogleTrends is neat if you want to see where popular memes started. Like "refudiate" and "truthiness" - http://www.google.co...l&date=all&sort=0 Unfortunately, it's too young to see how more important things have entered the public discourse.
HTH.
Cheers,
Scott.