Ok, found it:
The header tag is what I needed.
On Wed, Dec 17, 2008 at 2:14 PM, Nicholas Henry
> I would like to list a set of articles by date on a page. For example:
> December 2008
> Article 1
> Article 2
> September 2008
> Article 3
> Article 4
> Article 5
> Is there any group by feature i the tag library? I couldn't find
> anything or an extension.
> Any help would be much appreciated.
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