Peter Leithart thinks Pentecost has lots of relevance for social order:
The Bible does not permit us to confine the work of the Spirit to the inner man or to private experience. Through Isaiah (44:3), the Lord promised to pour out water on the land of Israel and his Spirit upon Israel’s seed. When the Spirit is poured out like water, he turns desolate places to fruitfulness, transforms the dry land into a grove, transfigures the withered leaf into a green (Isa. 32:15; Ezek. 39:29; Joel 2:29; Zech. 12:10; Acts 2:17¯18, 33; 10:45). Restoration of nature symbolizes cultural flourishing. When the Spirit is poured out on Israel, the Lord promises, the nation will be renewed.
At the first Christian Pentecost, the apostles filled with the Spirit proclaimed the gospel in multiple languages, and by the end of the day a community of believers had been established, drawn from “every nation under heaven” (Acts 2:5). The miracle of languages that took place at Pentecost reversed the curse on languages at Babel; the divided nations are reunited by the Spirit. For the Bible, international peace is a Pentecostal reality.
That’s one way of reading the Bible. But what does Leithart do with these?
scoffers will come in the last days with scoffing, following their own sinful desires. 4 They will say, “Where is the promise of his coming? For ever since the fathers fell asleep, all things are continuing as they were from the beginning of creation.” 5 For they deliberately overlook this fact, that the heavens existed long ago, and the earth was formed out of water and through water by the word of God, 6 and that by means of these the world that then existed was deluged with water and perished. 7 But by the same word the heavens and earth that now exist are stored up for fire, being kept until the day of judgment and destruction of the ungodly.
8 But do not overlook this one fact, beloved, that with the Lord one day is as a thousand years, and a thousand years as one day. 9 The Lord is not slow to fulfill his promise as some count slowness, but is patient toward you,a not wishing that any should perish, but that all should reach repentance. 10 But the day of the Lord will come like a thief, and then the heavens will pass away with a roar, and the heavenly bodies will be burned up and dissolved, and the earth and the works that are done on it will be exposed. (2 Peter 3)
For many will come in my name, saying, ‘I am the Christ,’ and they will lead many astray. 6 And you will hear of wars and rumors of wars. See that you are not alarmed, for this must take place, but the end is not yet. 7 For nation will rise against nation, and kingdom against kingdom, and there will be famines and earthquakes in various places. 8 All these are but the beginning of the birth pains.
9“Then they will deliver you up to tribulation and put you to death, and you will be hated by all nations for my name’s sake. 10 And then many will fall away and betray one another and hate one another. 11 And many false prophets will arise and lead many astray. 12 And because lawlessness will be increased, the love of many will grow cold. 13 But the one who endures to the end will be saved. 14 And this gospel of the kingdom will be proclaimed throughout the whole world as a testimony to all nations, and then the end will come. (Matthew 24)
2 For you yourselves are fully aware that the day of the Lord will come like a thief in the night. 3 While people are saying, “There is peace and security,” then sudden destruction will come upon them as labor pains come upon a pregnant woman, and they will not escape. 4 But you are not in darkness, brothers, for that day to surprise you like a thief. 5 For you are all children of light, children of the day. We are not of the night or of the darkness. 6 So then let us not sleep, as others do, but let us keep awake and be sober. (I Thessalonians 5)
I get it if you want to avoid dispensational premillennialism’s bleak (never mind the flannel graphs) picture of human history, though I hear Leithart has a Lutheran past. But if you are going to try to turn Pentecost into a banner for socio-economic progress and world peace, don’t you need to keep an eye on other parts of the biblical narrative? How about postmillennialism meets nuclear winter? After millennia of human flourishing, suffering takes over the world and runs things until Jesus returns.