Sometimes is not fun to find a page default with other language than the one you prefer, specially if you can’t read or write or even speak it out . 

Example : 
You are reading into account that been send to you through Whattsapp or any other type of social media, and the buttons and details are in other language for example Arabic and the content written in English. Which little bit might confuse your mind. 
Solution : 

at end of the link  insert the following /?lang=en and that will force the account to be in English

Name Language code
English (default) en
Arabic ar
Bengali bn
Czech cs
Danish da
German de
Greek el
Spanish es
Persian fa
Finnish fi
Filipino fil
French fr
Hebrew he
Hindi hi
Hungarian hu
Indonesian id
Italian it
Japanese ja
Korean ko
Malay msa
Dutch nl
Norwegian no
Polish pl
Portuguese pt
Romanian ro
Russian ru
Swedish sv
Thai th
Turkish tr
Ukrainian uk
Urdu ur
Vietnamese vi
Chinese (Simplified) zh-cn
Chinese (Traditional) zh-tw