Load Facebook into an iframe

Question

I can\'t load facebook into an iframe, in a web page like the following one:

Answer 1

If you use Firebug or Google Chrome's developer console, you can see the following error

Refused to display document because display forbidden by X-Frame-Options.

X-Frame-Options

DENY
The page cannot be displayed in a frame, regardless of the site attempting to do so.

SAMEORIGIN
The page can only be displayed in a frame on the same origin as the page itself.

Here is another related stackoverflow question Overcoming “Display forbidden by X-Frame-Options”