Originally Posted by
nabeelj
It's a well-known thing that Amex reports new personal accounts as having been opened in the year that is indicated on your cards as the "Member Since" date (which is the year your first Amex was opened, if you've continuously held at least 1 personal Amex at all times), with the month the new account is opened being the actual month.
I have found my new Amex cards back-dated even though I had more than a year gap when I had no Amex cards. . . maybe I just got lucky.