Hapened or Happened: How To spell?
The word Hapened is misspelled against Happened, which is past tense of "Happen"
Happened has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings ha & ened which should not be misspelled with single 'P'
Wrong Spelling:  ha-p-ened  Correct Spelling:  ha-pp-ened 
Explore spell check of Happened to spell without errors.