Login to your Facebook account on a web browser (the necessary link is not available in the mobile app).
On the left side, click on the menu item for "Events":
Next, in the Events menu on the left side, near the top, click on "Your Events":
If you have any selected events that you are interested in, they will show here and provide an "Add to Calendar" button in the upper-right corner. Right-click on the "Add to Calendar" button, and choose "Copy link address".
Next, back in your DAKboard account, add or edit a calendar block in a custom screen, then paste in the copied URL under the "Calendar URLs" section:
Optionally specify a name, color, and icon for the calendar, save your changes then preview the screen to view your Facebook events on DAKboard.