One of Google’s “experiments” is apparently being tested out in the main Google search results — Timeline View. This unique view shows search results over time — making it great for searching for things that can be visualized over time.

blogs.zdnet.com/Google/?p=1220

ZDNet's source is Search Engine land entry
searchengineland.com/google-ti ...

And the sample queries provided by Search Engine Land's source, in turn are:
*book of revelation
google.com/search?q=%22book+of ...
*thomas jefferson
google.com/search?q=thomas+jef ...
and
*albert einstein
google.com/search?q=albert+ein ...

But you will don't see Timeline view from your contry, only some IP's will see it. I don't. :)

Not that new:
blogoscoped.com/forum/145475.h ...

Here's a crowded SERP:

img218.imageshack.us/img218/61 ...