Opera 8.0 was released on April 19, 2005. Acid2 was last revised in January 2006.
Source
I took this screenshot myself.
Author
The Acid2 Task Force of the Web Standards Project
Public domainPublic domainfalsefalse
This work has been released into the public domain by its author, the Acid2 Task Force. This applies worldwide. In some countries this may not be legally possible; if so: the Acid2 Task Force grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Public domainPublic domainfalsefalse
This work is free and may be used by anyone for any purpose. If you wish to use this content, you do not need to request permission as long as you follow any licensing requirements mentioned on this page.
The Wikimedia Foundation has received an e-mail confirming that the copyright holder has approved publication under the terms mentioned on this page. This correspondence has been reviewed by a Volunteer Response Team (VRT) member and stored in our permission archive. The correspondence is available to trusted volunteers as ticket #2009010310005328.
copyrighted, dedicated to the public domain by copyright holder<\/a>"}},"text\/plain":{"en":{"P6216":"copyrighted, dedicated to the public domain by copyright holder"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P6216 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">
released into the public domain by the copyright holder<\/a>"}},"text\/plain":{"en":{"P275":"released into the public domain by the copyright holder"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P275 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">
{{Information |Description=Opera 8.0 viewing http://www.webstandards.org/files/acid2/test.html#top |Source=I took this screenshot myself. |Date=Opera 8.0 was released on April 19, 2005. |Author=The Acid2 Task Force of the Web Stand