'Happen' in the Bible

When he shaved his head, it would happen {every year}, which he did because [it was] heavy on him, he would shave it off and weigh the hair of his head: two hundred shekels {by the king's weight}.

Behold, he is now hidden in some pit, or in some other place. It will happen, when some of them have fallen at the first, that whoever hears it will say, 'There is a slaughter among the people who follow Absalom!'

The king asked the Cushite, “Is the young man Absalom all right?”The Cushite replied, “May what has become of the young man happen to the enemies of my lord the king and to all who rise up against you with evil intent.”

Yet not so [is] my house with God, for he made an everlasting covenant for me, arranging everything. He has secured all my deliverance, and all my desire he will cause to happen.

But Joab replied, "May the LORD your God increase the population of the people a hundredfold while your majesty the king is still alive to see it happen! But why does your majesty the king want to do this?"