A Year Before is a WordPress plugin allowing users to display titles of articles posted n number of days ago. Its developers suggest using it in a “historical corner” to show “what happened in your blog e.g. 30 days, 6 months or a year before.”
Tenspotting. Chock full of “best ever” lists.
28 Weird Al Yankovic Parodies (1983-2006). Speaks for itself. Unfortunately, all the video links have been removed from YouTube.