Before 27 December 2005 16:06 UTC
Licensed under the GNU Free Documentation License, and nothing else
I license my contributions only under the GFDL.
Between 27 December 2005 16:09 UTC and 17 February 2007 19:08 UTC
Multi-licensed with all versions of the Creative Commons Attribution Share-Alike License
I agree to multi-license my text contributions, unless otherwise stated, under the GFDL and the Creative Commons Attribution Share-Alike license version 1.0, version 2.0, version 2.5, and all future versions of the Creative Commons Attribution Share-Alike license. Please be aware that other contributors might not do the same, so if you want to use my contributions under the Creative Commons terms, please check the CC dual-license and Multi-licensing guides.
Between 17 February 2007 19:08 UTC and 28 November 2008 20:20 UTC
Multi-licensed under the GNU Free Documentation License and all versions of the Creative Commons Attribution Share-Alike License, the Creative Commons Attribution License, the GNU General Public License, the GNU Lesser General Public License, the Web General Public Lisence, Intel Open Source License, Apple Public Source License, and the Creative Commons ShareAlike license.
I agree to multi-license all of my text, media, and code contributions, unless otherwise stated, under the non-conflicting aspects, or the relevant licenses included within of the GFDL, the Creative Commons Attribution Share-Alike license versions 1.0, 2.0, 2.5 and all future versions of the Creative Commons Attribution Share-Alike license, Creative Commons Attribution v2.0, the GNU General Public License, the GNU Lesser General Public License, the GNU Lesser General Public License, WebGPL license derivative of the GPL license, the Intel Open Source License, Apple Public Source License, and the Creative Commons ShareAlike 1.0 license. Please be aware that other contributors might not do the same, so if you want to use my contributions under the Creative Commons terms, please check the CC dual-license and Multi-licensing guides.
After 28 November 2008 20:20 UTC

{{DualLicenseWithCC-BySA-3.0}}

Dual licensed with the Creative Commons Attribution Share-Alike License version 3.0
I agree to dual-license my media contributions, including any images, audio clips, or video clips, unless otherwise stated, under Wikipedia's copyright terms and the Creative Commons Attribution Share-Alike license version 3.0. Please be aware that other contributors might not do the same, so if you want to use my contributions under the Creative Commons terms, please check the CC dual-license and Multi-licensing guides.
Licensing rights granted to Wikimedia Foundation
I grant non-exclusive permission for the Wikimedia Foundation Inc. to relicense my text and media contributions, including any images, audio clips, or video clips, under any copyleft license that it chooses, provided it maintains the free and open spirit of the GFDL. This permission acknowledges that future licensing needs of the Wikimedia projects may need adapting in unforeseen fashions to facilitate other uses, formats, and locations. It is given for as long as this banner remains.