To get RSS feeds for specific Wikipedia pages you’ll need to do the following.
1. Open the page you want the Wikipedia RSS page for.
2. Click “View History”.
3. Click “Atom” or the RSS icon on the left menu.
There you have it! Here is the Wikipedia RSS feed for David Bowie if you were so inclined.
Here is a screenshot provided by OneHourWikis.com showing how to do it.
Special thanks to Brandon Colker of OneHourWikis.com for helping edit the screenshot.