Epocware just released Handy Dates which lets you organize all your birthdays, anniversaries and business events in one list.
Epocware: "Handy Dates for Nokia 7650 helps you to remember and be prepared for important events in your life.
With Handy Dates for Nokia 7650 you have all your birthdays, anniversaries, business events, and public holidays in one organized list sorted by closest date. You will never forget about your friend's birthdays, your anniversaries, or business events!
Handy Dates is fully integrated with the built-in Calendar application. Enter your events in Handy Dates and it will automatically enter them into Calendar application and will notify you a few days before each event (so, you have time to buy a present)!
Handy Dates also can import birth dates from the built-in Contacts application (for people that have Birthday field).
Handy Dates program interface is available in English, German, French, Italian, Russian, Portuguese, Finnish, Turkish, Hungarian, Norwegian, Spanish, Polish, Swedish, and Dutch."
You can buy the software here!