Daniel 12:1

Jeremiah 30:7 NIV
How awful that day will be! No other will be like it. It will be a time of trouble for Jacob, but he will be saved out of it.

Mark 13:19 NIV
because those will be days of distress unequaled from the beginning, when God created the world, until now—and never to be equaled again.

Matthew 24:21 NIV
For then there will be great distress, unequaled from the beginning of the world until now—and never to be equaled again.