1. Click on the "Events" link found in the left menu of your Facebook account.
2. On the top of the page you'll find a link called "Export Events". Click on it, and copy the URL that appears in the pop-up window.
3. Go to Google Calendar, and press on the "Add" button, found in the "Manage Calendars" box there. Then select "Add by URL".
4. Enter the URL you've just got from Facebook there, and click on the "Add" button.
5. Voila, here you go.
Tags: Facebook, Google Calendar, Gr33n Data