Template:Wikipedia2

 Wikipedia has an article about: 

Usage
Copy and paste the following:

Required parameters
There is one required parameter for this template.
 * Article Title - replace this with the title of the article as it exists at Wikipedia.

Optional parameters
There is one optional parameter for this template.
 * Link title - provide text to be used for the link to Wikipedia. If it is not provided, the Article Title will be used as the link text.