Not yet occurred because the house of Israel has yet to believe upon Jesus and the gospel of Salvation.
It's not talking about the entire house of Israel believing which is not a reasonable thing to believe at all. There were 3,000 Israelite Christian converts on the day of Pentecost alone:
Acts 2:41 Those who accepted his message were baptized, and
about three thousand were added to their number that day.
Ezekiel 39:29 isn't referring to every person in the house of Israel any more than the following verse is talking about God pouring out His spirit on literally all people:
Acts 2:15 These people are not drunk, as you suppose. It’s only nine in the morning! 16
No, this is what was spoken by the prophet Joel: 17 “‘In the last days, God says, I will pour out my Spirit on all people. Your sons and daughters will prophesy, your young men will see visions,
your old men will dream dreams.
I'm sure you would agree that God hasn't poured out His spirit on literally all people despite what this verse says, so why would you think that Ezekiel 39:29 is talking about God pouring out His Spirit on literally everyone in the nation of Israel?
In Acts 2, there were Jews from different nations, who had different languages. Yet were able to understand each other, by God making it possible.
Yeah. So, the house of Israel all came together in Israel that day.
It was Peter.
to what Joel said about God pouring out His Spirit in last days. It does not mean that Paul was living the last days when Jesus will return, as we can see in retrospect.
It means Peter (well, Paul, too, but Peter was speaking there) was living in part of the last days. I never said that the Spirit being poured out on the day of Pentecost comprised all of the last days. It says the last days, not the last day. But, clearly, the last days had already begun at that point or else Peter applying what was happening that day to the prophecy in Joel 2:28-32 would not make any sense. God began pouring out His Spirit in believers that day and every day since then until today. We are still in the last days today. But, there is no reason to limit Ezekiel 39:29 to a short time before Christ returns when we know the last days already began long ago.
In Ezekiel 39:21-29 is Jesus having returned, His Second Coming, and the house of Israel from then on will know that Jesus is the Lord their God. Something the house of Israel presently do not believe.
22 So the house of Israel shall know that I am the LORD their God from that day and forward.
You are making the mistake of thinking that is saying every single person in the house of Israel would believe that, but that is not what it means any more than Acts 2:16 is saying God would pour out His Spirit on literally all people. Do you take Acts 2:16 as literally as you do Ezekiel 39:29? I'm sure you don't. But, why not? Where is the consistency in your method of interpretation? I don't see it. Instead, I see you trying to make scripture say what you want it to say.
In Ezekiel 39:29, God no longer hides his face from the house of Israel - speaking the change from the past 2000 years - the blindness that has come upon Israel. But will change in the middle part of the forthcoming 7 years of Daniel 9:27.
This comes from a mistaken understanding of Romans 11. You think that all of Israel was blinded and some day the blindness will be removed. That is not at all what Paul taught in Romans 11.
Romans 11:5 Even so then
at this present time also there is a remnant according to the election of grace. 6 And if by grace, then is it no more of works: otherwise grace is no more grace. But if it be of works, then it is no more grace: otherwise work is no more work. 7 What then? Israel hath not obtained that which he seeketh for; but
the election hath obtained it, and the rest were blinded. 8 (According as it is written,
God hath given them the spirit of slumber, eyes that they should not see, and ears that they should not hear;) unto this day. 9 And David saith, Let their table be made a snare, and a trap, and a stumblingblock, and a recompence unto them: 10
Let their eyes be darkened, that they may not see, and bow down their back alway. 11
I say then, Have they stumbled that they should fall? God forbid: but rather
through their fall salvation is come unto the Gentiles, for to provoke them to jealousy. 12 Now if the fall of them be the riches of the world, and the diminishing of them the riches of the Gentiles; how much more their fulness? 13 For I speak to you Gentiles, inasmuch as
I am the apostle of the Gentiles, I magnify mine office: 14 If by any means I may provoke to emulation them which are my flesh, and might save some of them.
How do you interpret this passage? Based on other things you have said, I would think that you interpret this passage to be saying that all of Israel were blinded and fell and some day all of Israel will have their blindness removed. Do I have it right?
Yet, what does the passage actually say? Let's take a closer look. First, Paul points out that at that time back then there was "a remnant according to the election of grace" in Israel and he said "the elect hath obtained" what they looked for, "and the rest were blinded". So, when he later talks about Israel being blinded in part, this is what he meant. He meant that there was an elect remnant of saved Israelite believers "and the rest were blinded".
Then what does Paul point out? He indicates that they did not fall, but rather they stumbled. In your doctrine, it seems that you believe they fell and didn't just stumble. But, Paul said "God forbid" to that idea. So, why were they blinded and why did they stumble? Paul told us. It was for the purpose of salvation coming to the Gentiles which, in turn, would provoke the blinded Israelites to jealousy so that they too would want to be saved. And, notice how Paul indicates that he wanted to help save some of his fellow Israelites who had been blinded. In your doctrine, you put off the removal of their blindness far into the future, but Paul indicated that their blindness could be removed still in his day as he hoped to help saved some of those who were blinded. As he said a little later about them in verse 23: "And they also, if they abide not still in unbelief, shall be grafted in: for God is able to graft them in again.".
So, this process of salvation being offered to Gentiles, who in turn provoke Israelites to jealousy, began long ago and still continues today. Your doctrine has postponed salvation for Israel for almost 2,000 years despite the fact that many of them have been saved over the past 2,000 years. And it's largely a result of taking passages like Romans 11 and Ezekiel 39 out of context.