X rated birthday cards

Love Poems, Love Calculator

Many girls in the USA have "sweet sixteen" birthday parties.

Most cultures have one or more coming of age birthdays:

Astrological signs typically depend on one's birthday, or even the specific time of birth.

Astrologix - Birthdata Database - Twinbase
Find your birthdate twin from the database. Site in English and German
Birthday Spirit
For people born on September 11th to reclaim their day for good through deeds, advice, and discussion.
Coffeerooms Calendar - Remo's Reminders
Message boards for women with a monthly calendar listing birthdays and anniversaries.
The November 3rd Database
A gathering spot for all of those who were born on this day. Search criteria includes last name, city, state, country, and year of birth.
Birthday Celebrations Net
Birthday songs, traditions and recipes from around the world.