Integrate Google Calendar to Facebook Events initial.rev24.1-signed No Restart
Makes a button in all Facebook Events, you can simply add it to your Google Calendar by clicking the button. The button is added under the title of the event.
If this Addon doesn't work for you, try this: http://apps.facebook.com/intro-calendar/
This add-on has been preliminarily reviewed by Mozilla. Learn more
This add-on is not compatible with your version of Firefox because of the following: