Signs from heaven

But when ye shall hear of wars and commotions, be not terrified, for these things must first come to pass. But the end is not at once."
Then said He unto them, "Nation shall rise against nation, and kingdom against kingdom, and great earthquakes shall be in divers places, and famines and pestilences. And fearful sights and great signs shall there be from heaven. (Luke 21:9-11)