Hallmark Birthday Calendar by Flogs.com
Adding and keeping birthdays in a calendar full of meetings, appointments with friends and sports is complicated, the “Hallmark Birthday Calendar” is doing it for you. You can add all your Facebook events directly in to your digital calendar as well, share your own birthday with others and add all your friends’ birthdays to your own digital calendar. In addition you can even add holiday calendars to your calendar.
Developer Website: http://apps.facebook.com/flogslive