Facebook is a very good way to always remember your friends birthdays. However if you have a lot of time to log in your Facebook account you might forget some of them. If you are using Google Calendar to organize your everyday life I will show you how to import Facebook birthdays to Google Calendar. This way you can use your calendar's notifications and alerts in order not to forget your friends birthdays. The following guide is also a very good way to view birthdays in Android's calendar by simply synchronizing it with Google Calendar. A lot of my friends who have recently started using Android were asking me how to do this. So let's get started!
First we have to export birthdays from Facebook. Log in to Facebook and from the left pane select Events and then select Birthdays. Alternatively click on Facebook birthday events. Now click on the magnifying lense and press Export Birthdays.
A popup will appear. Copy the webcal url you see there. We will need it.
Now we will import Facebook birthdays to Google Calendar. On Other calendars click the Add by URL option.
Paste the webcal URL and press Add Calendar.
A new calendar will appear under Other calendars called Friend's Birthdays.
Now you will see your friends birthdays in Google Calendar and you can set up notifications for them. Moreover each time you add a new Friend in Facebook this calendar will be automatically updated. If you want to remove the calendar just go to Settings and click Unsubscribe. Pretty easy!
Oh and if you want to know how to add your Facebook events to Google Calendar I have written a guide.