Matthew 13:49-50

So it will be in the end of the age: the angels will go forth, and will separate the wicked from the midst of the righteous,

Luke 4:25

And in truth I say unto you, There were many widows in Israel in the days of Elijah. When the heaven was shut up three years and six months, how the famine was great over all the land;

Acts 12:23

And immediately the angel of the Lord smote him, because he gave not the glory to God; and being eaten by worms, he breathed out his soul.

Revelation 7:1-3

And after this I saw four angels standing on the four corners of the earth, holding the four winds of the earth, that the wind should not blow upon the earth, nor the sea, nor upon any tree.

Treasury of Scripture Knowledge

Summary

Either three years' famine; or three months to be destroyed before thy foes, while that the sword of thine enemies overtaketh thee; or else three days the sword of the LORD, even the pestilence, in the land, and the angel of the LORD destroying throughout all the coasts of Israel. Now therefore advise thyself what word I shall bring again to him that sent me.

Three years' famine

Bible References

Three years' famine

Luke 4:25
And in truth I say unto you, There were many widows in Israel in the days of Elijah. When the heaven was shut up three years and six months, how the famine was great over all the land;