Revelation 18:21-23

Then a single angel of great strength took a stone which resembled a huge millstone, and hurled it into the sea, saying, "So shall Babylon, that great city, be violently hurled down and never again be found.

Treasury of Scripture Knowledge

Summary

For out of the north there cometh up a nation against her, which shall make her land desolate, and none shall dwell therein: they shall remove, they shall depart, both man and beast.

Bible References

Which

Revelation 18:21
Then a single angel of great strength took a stone which resembled a huge millstone, and hurled it into the sea, saying, "So shall Babylon, that great city, be violently hurled down and never again be found.