Google launched their manual action viewer back in August of 2013. The question was, would Google show manual actions dating back years before that, if the manual action still existed?

The answer is yes.

I asked Google’s John Mueller this on Google+. I wrote:

John responded, yes it would. He said:

So I guess even manual actions dating back to 2010 or so, would be shown, if they still existed.

Forum discussion at Google+.