1:3 Blessed is he that readeth, and they that hear the words of the prophecy, and keep the things that are written therein: for the time is at hand.
and ends with 20 He who testifieth these things saith, Yea: I come quickly. Amen: come, Lord Jesus.
meaning that the first resurrection, the spiritual resurrection of the soul from Sin
Apologies for the long-winded, but yes the coming of the new Jerusalem did happen in 69 AD with the coming of Christ's Church, the New Jerusalem, where we share in the joy of the sacrifice of the lamb at each Eucharist - or as the Lutherans call it, the True Presence of Christ in the Eucharist.
Those in the great multitude, from every nation, race, people, and tongue, are the Church. They make up the New Israel, which has gone through a New Exodus. While the first Exodus involved the people of Israel being saved from the tyranny of Egyptian slavery, this final Exodus consists of the people of the new covenant being saved eternally from the domination of sin and death. As Jesus states, in the reading from today’s Gospel, “I give them eternal life, and they shall never perish” (Jn. 10:28). The salvation of a multitude too large to be counted is a fulfillment of the great covenant made with Abraham: “I will make of you a great nation … All the communities of the earth shall find blessing in you” (Gen. 12:2, 3; cf. Gal. 3:7, 29).