Quote:
Originally Posted by Saph
Happy birthday
(why is everyone posting keys)
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Just in case, you are seriously wondering....
From *Yahoo - question and answer*
It used to be 21 when you were then considered to be an adult and old enough to have your own key to the front door of your parents house. The law then changed lowering the age to 18 but old habits die hard and people still traditionally celebrate 21st birthdays.