How long will the recession last A Historical Perspective

Well, now it's official: we're in a recession.

And we know when it began: December 2007, according to the official arbiter of business cycles, the National Bureau of Economic Research (NBER), which made the announcement Monday. So now the question is: when will it end, and how deep will it get?

Source:
http://money.cnn.com/2008/12/03/news/economy/karydakis.recession.fortune/index.htm