Matthew 24:7

For nation will go to war with nation, and kingdom with kingdom, and there will be famines and earthquakes in many places.

Mark 13:8

For one nation will go to war with another, and one kingdom with another. There will be earthquakes in many places; there will be famines. But this is only the beginning of the agonies.

Luke 21:9-10

And when you hear of wars and tumults, never be panic-stricken. For this has to take place first, but the end will not come all at once."

Luke 21:22-24

for these are the days of vengeance when all that is written in the Scriptures will be fulfilled.

Treasury of Scripture Knowledge

Summary

And nation was destroyed of nation, and city of city: for God did vex them with all adversity.

Bible References

Nation

Mark 13:8
For one nation will go to war with another, and one kingdom with another. There will be earthquakes in many places; there will be famines. But this is only the beginning of the agonies.
Luke 21:9
And when you hear of wars and tumults, never be panic-stricken. For this has to take place first, but the end will not come all at once."

God

Luke 21:22
for these are the days of vengeance when all that is written in the Scriptures will be fulfilled.