"404 Error" made it to number 6! Proves that numbered error codes are not so user friendly.

Although at first I thought it was Wikipedia's own 404 page and was going to comment on how they must have a lot Of broken links.

This list is for December 2010, not 2012. They use yyyymm. See the drop-down here: http://stats.grok.se/

Has anyone even heard of Robert L. Bradley, Jr before?

Was some kind of API request, they should clean up this list. Maybe someone had a bug in his client application.