Here My Question is about direct object or indirect object of a verb when using passive form not abut "happened".
Can't we use the passive form if we don't have direct or indirect object.
This was happened to me.
This was happened 7 years back.
I was kissed by her.(correct)
I'm trying to tell one incident:
This has happened to me when I was about 18 years old.
This happened to me when I was about 18 years old.