Altering the language of Facebook is likewise useful if you want to utilize it in your mother-tongue. Its easy to alter the Facebook language for your current Facebook session. Simply go to the bottom of your page and click on the present active language.
Facebook In English Language
This will open a window with all the available languages for Facebook. Just select the one you want and Facebook will be equated instantly.
The chosen language will be offered just for your present session of Facebook. That is, as soon as you log out, the language will alter back to default.
Note: If you are already logged into Facebook, it will be very tough to scroll down to completion of page as the timeline layout of Facebook will keep including stories dynamically, moving the bottom continually. So if you can't click the language link at the bottom, then log out of Facebook and then click on it then log in again.
If you wish to permanently change the language of Facebook, go to Facebook language settings page and choose the language from the drop down list of languages.
Click 'Save' after selection and the language of Facebook will alter permanently for you. You can roll back the language by going to this page and changing it again.
Update: Facebook In English Language, If you desire to equate Facebook into a language which is not readily available in Facebook's list of languages, then you may have to attempt Google equate or Google translate browser add-ons to equate it.