Unfortunately all the disciples were dead by 70 AD with the exception of John but he was in Patmos and he covers the great tribulation and the events leading up to it in pretty good detail in Revelation. Then Josephus documents it too bringing Revelation to life without using all the symbols that John used to disguise it from his Roman captures. Correct, the death count inside Jerusalem had already reached 93% so if God didn't shorten those days, there would have been no flesh inside left alive. Clearly, the GT was NOT to be a global event as only those in Judea were told to flee. One could not flee a global death event.
As I posted previously the early church recognized it as I posted the below writings of Eusebius. Here it is again in case you missed it.
Chapter VII.—
The Predictions of Christ.
1. It is fitting to add to these accounts the true prediction of our Saviour in which he foretold these very events.
2. His words are as follows:
644 “Woe unto them that are with child, and to them that give suck in those days! But pray ye that your flight be not in the winter, neither on the Sabbath day. For there shall be great tribulation, such as was not since the beginning of the world to this time, no, nor ever shall be.”
3. The historian, reckoning the whole number of the slain, says that eleven hundred thousand persons perished by famine and sword,
645 and that the rest of the rioters and robbers, being betrayed by each other after the taking of the city, were slain.
646 But the tallest of the youths and those that were distinguished for beauty were preserved for the triumph. Of the rest of the multitude, those that were over seventeen years of age were sent as prisoners to labor in the works of Egypt,
647 while still more were scattered through the provinces to meet their death in the theaters by the sword and by beasts. Those under seventeen years of age were carried away to be sold as slaves, and of these alone the number reached ninety thousand.
648
4. These things took place in this manner in the second year of the reign of Vespasian,
649 in accordance with the prophecies of our Lord and Saviour Jesus Christ, who by divine power saw them beforehand as if they were already present, and wept and mourned according to the statement of the holy evangelists, who give the very words which he uttered, when, as if addressing Jerusalem herself, he said:
650
5. “If thou hadst known, even thou, in this day, the things which belong unto thy peace! But now they are hid from thine eyes. For the days shall come upon thee, that thine enemies shall cast a rampart about thee, and compass thee round, and keep thee in on every side, and shall lay thee and thy children even with the ground.”
6. And then, as if speaking concerning the people, he says,
651 “For there shall be great distress in the land, and wrath upon this people. And they shall fall by the edge of the sword, and shall be led away captive into all nations. And Jerusalem shall be trodden down of the Gentiles, until the times of the Gentiles be fulfilled.” And again:
652 “When ye shall see Jerusalem com
142passed with armies, then know that the desolation thereof is nigh.”
7. If any one compares the words of our Saviour with the other accounts of the historian concerning the whole war, how can one fail to wonder, and to admit that the foreknowledge and the prophecy of our Saviour were truly divine and marvellously strange.
653
8. Concerning those calamities, then, that befell the whole Jewish nation after the Saviour’s passion and after the words which the multitude of the Jews uttered, when they begged the release of the robber and murderer, but besought that the Prince of Life should be taken from their midst,
654 it is not necessary to add anything to the account of the historian.
9. But it may be proper to mention also those events which exhibited the graciousness of that all-good Providence which held back their destruction full forty years after their crime against Christ,—during which time many of the apostles and disciples, and James himself the first bishop there, the one who is called the brother of the Lord,
655 were still alive, and dwelling in Jerusalem itself, remained the surest bulwark of the place. Divine Providence thus still proved itself long-suffering toward them in order to see whether by repentance for what they had done they might obtain pardon and salvation; and in addition to such long-suffering, Providence also furnished wonderful signs of the things which were about to happen to them if they did not repent.
10. Since these matters have been thought worthy of mention by the historian already cited, we cannot do better than to recount them for the benefit of the readers of this work.
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