Users sometimes mark their edits in questions or answers with a date:
This is confusing. I'm not talking about marking edits, I'm talking about the date format. We're an international community, and to USAmericans this will be 6 July, while most of Europe will read it as 7 June. Therefore I would suggest we would use the ISO 8601 standard format:
which is unambiguous.
This is just a suggestion for anyone who inserts a date in her question or answer. That you insert it should imply that you want to be well-understood.
edit dd. 2012-07-12 ;-)
Kortuk doesn't like it for the use with the edits, but it applies to everywhere where you type a date, of course.
A summary of the international standard date and time notation