The 1969 join date is often regarded as the "vets" of AA. These are the guys who have been registered the longest.
But as with all the join dates and post counts, it really means nothing in terms of the charicter of the person in question.
There was some crash, and all members already registered it set their join date to December 31, 1969. They werent "Given" this. Its all a result of a fuck up of the server