It is the date an article was published. It usually appears at the top or bottom of the article.
I'm not sure the specific date but it was published sometime in 2005.
To find the date a website was published, look for a "Last Updated" or "Published On" date at the bottom of the webpage. You can also check the website's "About" or "Contact" page for more information.
publication date or release date
If an article doesn't have an author listed, you can use the name of the organization or website where the article is published in place of the author. For articles without a published date, use "n.d." (no date) in your citation to indicate that the date is not available.
It was published in 2003
The U.S. Constitution was published for the first time on this date.
It was published on 17th December 1843
November 2006.
1990
1234
Well I think the copyright date is the published date of a book. So the published date for this book would be 1999
If the website does not post it, then look for any copyright date and use the latest (newest) date. For example, if the copyright says, 'website.com - Copyright 2002-2007', then the published date of the website is 2007.