Henry L.onDecember 21, 2007 What is the most common date for birthdays? What is the most common date for birthdays?
Henry L.onDecember 22, 2007 What is the least common date for birthdays in the US? What is the least common date for birthdays in the US?
Henry L.onDecember 23, 2007 Whose birth certificate is believed to be the world’s most expensive? Whose birth certificate is believed to be the world's most expensive?