Joel
Joel 3:2ESV·traditional attribution

I will gather all the nations and bring them down to the Valley of Jehoshaphat. And I will enter into judgment with them there, on behalf of my people and my heritage Israel, because they have scattered them among the nations and have divided up my land,

John Calvin Reformed @genevareformer

We also see that the Prophet Haggai speaks in the same manner of the second temple, — that the glory of the second temple shall be greater than that of the first, (Haggai 2) He, however referred, no doubt, to the prophecy of Ezekiel; and Ezekiel speaks of the second temple, which was to be built after the return of the people from exile.

Matthew Henry Presbyterian @wholebiblehenry

We have often heard of the year of the redeemed, and the year of recompences for the controversy of Zion; now here we have a description of the transactions of that year, and a prophecy of what shall be done when it comes, whenever it comes, for it comes often, and at the end of time it will come once for all. I.

Commenting on Joel 3:1-8

John Gill Reformed Baptist @doctorgill

I will also gather all nations,.... Or cause or suffer them to be gathered together against his people; not the Moabites, Ammonites, and Edomites, in the times of Jehoshaphat, as Aben Ezra; but either the Turks, prophesied of under the name of Gog and Magog in Ezekiel, Eze 38:1; and a multitude of other nations with them, who shall be gathered together against the Jews...