Wikipedia Preview
Wikipedia Preview lets you show a popup card with a short summary from Wikipedia when…
Plugin Tag: facts
Wikilookup
Add the power of Wikipedia to your Blog.
Factoid
Place random quotes or trivia facts on your site through shortcodes or widgets
WP Facts
WP Facts shows a simple facts-photo whith short description on Your sidebar.
Hello Norris
Shows a random fact about Chuck Norris in the upper right of admin pages.