File:History comparison example.png

Size of this preview: 683 × 600 pixels. Other resolutions: 273 × 240 pixels | 547 × 480 pixels | 875 × 768 pixels | 1,109 × 974 pixels.

Original file (1,109 × 974 pixels, file size: 77 KB, MIME type: image/png)

This is a file from the Wikimedia Commons. The description on its description page there is copied below.

Licensing

This is a screenshot of a web page of a Wikimedia Foundation project. Text of Wikimedia projects (except for Wikinews^[1] and parts of Wikidata^[2]) are licensed under the Creative Commons Attribution Share-Alike 4.0 license and may additionally be licensed under the GNU Free Documentation License (Version 1.2, 1.3, or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts), and are subject to terms of use. The MediaWiki software itself is licensed under the GNU General Public License.

Any other media in this image may be subject to other terms. Logos (if they appear in this screenshot) of the Wikimedia Foundation are Wikimedia trademarks and are subject to Trademark policy.

Note on licenses: Please note that the GPL is for software and its derivatives and the GFDL is for text documentations or other forms of text and their derivatives. This means that the interface design of Wikipedia and all other portions of the MediaWiki software are licensed under the GPL. The actual contents of Wikipedia are licensed with Creative Commons Attribution-ShareAlike 4.0 Unported License and in some cases also with the GFDL.

As such, portions of this screenshot may be licensed under two or three separate licenses. The GPL and GFDL are not the same license; they are only connected through the Free Software Foundation, the creator of the licenses.

↑ Wikinews uses the Creative Commons Attribution 2.5 Generic license, or "CC-BY 2.5".
↑ Wikidata's main, property, lexeme, and EntitySchema namespaces use the Creative Commons Public Domain Dedication, or "CC0". All other namespaces use the Creative Commons Attribution Share-Alike 4.0 license.

This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.

You are free:

to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

In compliance with the GFDL, the entire attribution/history of the above screen shot can be found on Wikipedia here. J.smith (talk) 22:40, 26 September 2008 (UTC)

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Dimensions	User	Comment
current	04:00, 5 December 2007	1,109 × 974 (77 KB)	Sopoforic	optipng
	15:33, 27 February 2007	1,109 × 974 (96 KB)	Cristan	Optimized using PNGOUT
	13:03, 24 February 2007	1,109 × 974 (110 KB)	Jrockley	update to modern interface using Vit C article
	22:20, 18 October 2005	834 × 575 (15 KB)	Optimager~commonswiki	Smaller file size, bigger image size
	21:35, 10 July 2005	714 × 585 (31 KB)	Yoosef Pooranvary