I wanna import all my facebook events to google calender. How can i?

You can export your Facebook events into many other scheduling programs, such as Apple iCal, Microsoft Outlook and Google Calendar. To export an individual event:

Visit your event and click the menu in the upper right corner

Select Export event

Select Save to calendar and click Export

To export all your upcoming events:

Go to your homepage and click Events in the left sidebar

Click the menu next to the calendar icon in the top-right corner

Select Export

Click the link that appears to export the events for use in your preferred calendar program

go to facebook then event then export events then click add .