[PIC] Specific PICs release dates?

Neil <[email protected]>
Newsgroups gmane.comp.hardware.microcontrollers.pic
Message-ID <[email protected]> 
How does one go about finding out the first release date on specific PIC 
microcontrollers?
I checked the revision history on the datasheets, but they don't all 
have dates of the first few revisions.

Cheers,
-Neil.
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.