On Wed, May 19, 2010 at 12:45 PM, Lars Aronsson lars@aronsson.se wrote:
The ideal format is the ISO date format YYYY-MM-DD, but this is not always followed.
....
And the graph is found on http://commons.wikimedia.org/wiki/File:Wikimedia_Commons_files_per_decade.pn...
...using date format "19 May 2010" :-)