Traction helps you makes sense of your workspace with date range displays.
Many blog systems allow you to view the full blog or single category archive for any month.
This shows that for the view, there is content in the years 2005 and 2006.
Clicking on 2006 takes you to a calendar for the year.
Clicking June shows there is content for this view on June 5th and 6th:
As you navigate using the calendar, the content in the body of the page will update to reflect the selected date range.