Welcome to WIkipedia. I undid your recent changes to the Anabaptist article for two reasons. First, you copied them directly from a copyrighted website. Although it appears to be your own work, it is copyrighted unless you indicate a GFDL-compatible license on that web site. The other concern is that large changes, like replacing a long-standing article with completely new text is a major change that should be discussed on the talk page first.
The article needs lot of work to bring it up to a quality article and it looks like you have a lot to contribute. You will have better results by adding your changes gradually over time, fixing errors and adding content as needed (but avoid copying from you own or ther websites), in a way that gives other editors time to evaluate and enhance your contributions. There are some quite excellent editors watching the article who can help guide you as you proceed. ✤ JonHarder talk 11:11, 24 July 2008 (UTC)