Documentation:WordPress Basics/Basics 2 Guide/Wiki Inc Plugin
WikiInc.
The WikiInc plugin enables you to include the content of any MediaWiki page with your blog posts.
MediaWiki is the platform used to create Wikipedia and UBC Wiki.
You add a wikipage by simply grabbing the URL and pasting it into the Append Wiki Page box at the bottom of the screen when you're creating post. Below is an example of a post with that included the Wikipedia entry on blogs: