With the help of MeeBirthdays app designed for Touch Screen Smarts running on MeeGo Harmattan. At your disposal will be a handy tool for creating calendar events, corresponding to your birthdays contacts, according to a list of phonebook of your mobile device
mCalendar is a small calendar application specially designed for Maemo, the operating system of Nokia Internet Tablet. You can use it without a stylus, and sync it with Google Calendar.
This applications is still in development but you can try it if you want. There is also a home hildon desktop applet to display upcoming events on your Maemo desktop