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Not only that, but the author/OP wrote this:

I believe therefore, Christ's second coming described in the Revelation took place during the ‘great and the dreadful day of the Lord’ in AD 70.

The error is doubled with a denial of a physical resurrection here: Since Christians have continued to physically die over the past 2000 years, it is obvious, Christ's commission was resurrection from 'spiritual death’ not physical death.

Of these things put them in remembrance, charging them before the Lord that they strive not about words to no profit, but to the subverting of the hearers. Study to shew thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth. But shun profane and vain babblings: for they will increase unto more ungodliness. And their word will eat as doth a canker: of whom is Hymenaeus and Philetus; Who concerning the truth have erred, saying that the resurrection is past already; and overthrow the faith of some. Nevertheless the foundation of God standeth sure, having this seal, The Lord knoweth them that are his. And, let every one that nameth the name of Christ depart from iniquity. But in a great house there are not only vessels of gold and of silver, but also of wood and of earth; and some to honour, and some to dishonour. If a man therefore purge himself from these, he shall be a vessel unto honour, sanctified, and meet for the master's use, and prepared unto every good work. Flee also youthful lusts: but follow righteousness, faith, charity, peace, with them that call on the Lord out of a pure heart. But foolish and unlearned questions avoid, knowing that they do gender strifes. And the servant of the Lord must not strive; but be gentle unto all men, apt to teach, patient, In meekness instructing those that oppose themselves; if God peradventure will give them repentance to the acknowledging of the truth; And that they may recover themselves out of the snare of the devil, who are taken captive by him at his will.

Second Timothy, Catholic chapter two, Protestant verses fourteen to twenty six ,
as authorized, but not authored, by King James

As the Creed infallibly teaches, the Second Coming is associated with the end of the world and the Last Judgement. Therefore, it is NOT associated with any earlier time

In matters such as this, the one holy catholic apostolic church is a witness that this did not occur as the OP/author claim.