History of PostgreSQL

I have gotten some dates from the old Ingres and Postgres source code. 
Interesting how old these are:
  PostgreSQL is the most advanced open-source database server.  It is  Object-Relational(ORDBMS), and is supported by a
teamof Internet  developers.  PostgreSQL began as Ingres, developed at the University  of California at
Berkeley(1977-1985). The Ingres code was  taken and  enhanced  by Ingres Corporation, which produced one of the first
commerciallysuccessful relational database servers.  (Ingres Corp.  was later purchased by Computer Associates.)  The
Ingrescode was  taken by Michael Stonebraker as part of a Berkeley project to develop  an object-relational database
servercalled Postgres(1986-1994).  The  Postgres code was taken by Illustra and developed into a commercial  product.
(Illustrawas later purchased by Informix and integrated  into Informix's Universal Server.)  Several graduate students
added SQL capabilities to Postgres, and called it Postgres95(1995).  The  graduate students left Berkeley, but the code
wasmaintained by one of  the graduate students, Jolly Chen, and had an active mailing list.
 

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