Matthew 24:21-22
for then shall be a time of great tribulation, such as has not been from the beginning of the world until now, no, and never shall be again.
Mark 13:19
For those will be days of suffering the like of which has never been from the beginning of God's creation until now, and never shall be.
Acts 2:20
Into darkness shall the sun be turned, And into blood the moon, Ere the day of the Lord come, that great and terrible day.
Romans 11:26
And so all Israel will be saved, as it is written. The deliver will come from Zion, He will banish all ungodliness from Jacob;
Revelation 6:17
For the Great Day of their wrath has come, And who is able to stand?"