If you mean the fantasy Great Tribulation at the end of the age which is unbiblical it will not even come. Certainly the church always has, and will continue to experience tribulation.
Those beheaded for Jesus sake, and those who had not received the mark of the Beast existed in 1st century AD. Their SOULS have been living and reigning with Christ ever since. They have been joined by others through the centuries.
Matt 24
14. "
This gospel of the kingdom shall be preached in the whole world as a testimony to all the nations, and then the end will come.15. "Therefore when you see the ABOMINATION OF DESOLATION which was spoken of through Daniel the prophet, standing in the holy place ( let the reader understand),
16. then those who are in Judea must flee to the mountains.
17. "Whoever is on the housetop must not go down to get the things out that are in his house.
18. "Whoever is in the field must not turn back to get his cloak.
19. "But woe to those who are pregnant and to those who are nursing babies in those days!
20. "But pray that your flight will not be in the winter, or on a Sabbath.
21.
"For then there will be a great tribulation, such as has not occurred since the beginning of the world until now, nor ever will.22. "Unless those days had been cut short, no life would have been saved; but for the sake of the elect those days will be cut short.
23. "Then if anyone says to you, 'Behold, here is the Christ,' or 'There He is,' do not believe him.
24. "For false Christs and false prophets will arise and will show great signs and wonders, so as to mislead, if possible, even the elect.
25. "Behold, I have told you in advance.
26. "So if they say to you, 'Behold, He is in the wilderness,' do not go out, or, 'Behold, He is in the inner rooms,' do not believe them.
27. "For just as the lightning comes from the east and flashes even to the west, so will the coming of the Son of Man be.