The word(s) "happen" appears 16 time(s) in 14 verse(s) in Quran in Abdullah Yusuf Ali translation.

(11) And they will say: "What has happened to us that we see not men whom we used to number among the bad ones?

(12) Whatever misfortune happens to you, is because of the things your hands have wrought, and for many (of them) He grants forgiveness.

(13) If then they run away, We have not sent thee as a guard over them. Thy duty is but to convey (the Message). And truly, when We give man a taste of a Mercy from Ourselves, he doth exult thereat, but when some ill happens to him, on account of the deeds which his hands have sent forth, truly then is man ungrateful!

(14) No misfortune can happen on earth or in your souls but is recorded in a decree before We bring it into existence: That is truly easy for Allah: