Verses with the word happen in the Apocrypha (9 verses):

2 Esdras 4:51
Then I prayed, and said, May I live, thinkest thou, until that time? or what shall happen in those days?

2 Esdras 13:18
Now understand I the things that are laid up in the latter days, which shall happen unto them, and to those that are left behind.

2 Esdras 13:20
Yet is it easier for him that is in danger to come into these things, than to pass away as a cloud out of the world, and not to see the things that happen in the last days. And he answered unto me, and said,

2 Esdras 13:32
And the time shall be when these things shall come to pass, and the signs shall happen which I shewed thee before, and then shall my Son be declared, whom thou sawest as a man ascending.

2 Esdras 14:16
For yet greater evils than those which thou hast seen happen shall be done hereafter.

Wisdom of Solomon 2:17
Let us see if his words be true: and let us prove what shall happen in the end of him.

Sirach 22:26
And if any evil happen unto me by him, every one that heareth it will beware of him.

Sirach 33:1
There shall no evil happen unto him that feareth the Lord; but in temptation even again he will deliver him.

Sirach 40:8
[Such things happen] unto all flesh, both man and beast, and that is sevenfold more upon sinners.