Revelation 14:8

And another, a second angel, followed, exclaiming, "Great Babylon has fallen, has fallen--she who made all the nations drink the wine of the anger provoked by her fornication."

Revelation 18:2

and with a mighty voice he cried out, saying, "Great Babylon has fallen, has fallen, and has become a home for demons and a stronghold for every kind of foul spirit and for every kind of foul and hateful bird.

Revelation 18:8-11

"For this reason calamities shall come thick upon her on a single day--death and sorrow and famine--and she shall be burned to the ground. For strong is the Lord God who has judged her.

Revelation 18:17-19

because in one short hour all this great wealth has been laid waste!' And every shipmaster and every passenger by sea and the crews and all who ply their trade on the sea,

Treasury of Scripture Knowledge

Summary

Babylon is suddenly fallen and destroyed: howl for her; take balm for her pain, if so be she may be healed.

Bible References

Suddenly

Revelation 14:8
And another, a second angel, followed, exclaiming, "Great Babylon has fallen, has fallen--she who made all the nations drink the wine of the anger provoked by her fornication."
Revelation 18:2
and with a mighty voice he cried out, saying, "Great Babylon has fallen, has fallen, and has become a home for demons and a stronghold for every kind of foul spirit and for every kind of foul and hateful bird.