On Wed, May 19, 2010 at 12:45 PM, Lars Aronsson <lars at 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.png ...using date format "19 May 2010" :-)