Matthew 24:21-22
for there shall be then great affliction, such as has not been from the beginning of the world unto this time, no, nor ever shall be.
Mark 13:19
for in those days shall be such affliction as never was from the beginning of the world, unto this day, nor ever shall be.
Acts 2:20
The sun shall be turned into darkness, and the moon into blood, before that great and illustrious day of the Lord come.
Romans 11:26
And so all Israel shall be saved, as it is written, "The deliverer shall come out of Sion, and shall turn away impiety from Jacob:
Revelation 6:17
for the great day of his wrath is come, and who can stand before Him?"