Re: IS the okuda timeline canon?
I have the 1993 edition of the Star Trek Chronology
. They did try to make it as accurate as they could, with additional notes on how they arrived at conjectures. It's interesting looking at it 20 years later, and seeing how ENT was slipped into a short period of time where there are no previously established or estimated dates.
Dr. Howard, Dr. Fine, Dr. Howard: For duty and humanity! --Men in Black (1934)