Remembering dates

I used to remember dates so well without having to use any organizer or any diary..I just used to remember whether I want or not..especially birthdays .
Atleast they are useful ,coz I can wish someone and make them feel good on it.
But I also remember/remebered most unwanted things too...Most of the physical part of my memory was probably wasted for many many years with this unwanted information.
Of late...I do not remember certain things so well...either because my mind is filled with something else..or probably I am getting old :)

But I still do remember few dates and do remember a special event in life ...like the day I got my visa, like the day I entered US etc , coz they made significant changes to my life...
and so do today...

Random thoughts...as ever.... .... .