nuclear war
Zechariah Chapter 14:12
And this shall be the plague wherewith the LORD will smite all the people that have fought against Jerusalem; Their flesh shall consume away while they stand upon their feet, and their eyes shall consume away in their holes, and their tongue shall consume away in their mouth.
Matthew Chapter 24:6
And ye shall hear of wars and rumours of wars: see that ye be not troubled: for all these things must come to pass, but the end is not yet.
Matthew Chapter 24:22
And except those days should be shortened, there should no flesh be saved: but for the elect's sake those days shall be shortened.