We are going to change the [GNU] Free Documentation License in such a way that Wikipedia will be able to become licensed under the Creative Commons Attribution-Share Alike License. And so this is not, as some people speculated on Facebook my 50th birthday party. This is a party to celebrate the liberation of Wikipedia.

Announcing that the Wikimedia Foundation Board has voted to enable Wikipedia to be licensed under a Creative Commons license. "Wikipedia to be Licensed Under Creative Commons" (30 November 2007)