Revelation 14:8

And another angel, a second, followed, saying, "Fallen, fallen is Babylon the great, she who made all the nations drink the wine of her impure passion."

Revelation 18:2

And he called out with a mighty voice, "Fallen, fallen is Babylon the great! She has become a dwelling place of demons, a haunt of every unclean spirit, a haunt of every unclean and hateful bird.

Revelation 18:8-11

Therefore in one day her plagues will come, pestilence and mourning and famine, and she will be burned with fire; for mighty is the Lord God who judges her.

Revelation 18:17-19

In one hour such great wealth has been laid waste!' And every shipmaster and all passengers and sailors, and all who make their living by the sea, stood far off,

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 angel, a second, followed, saying, "Fallen, fallen is Babylon the great, she who made all the nations drink the wine of her impure passion."
Revelation 18:2
And he called out with a mighty voice, "Fallen, fallen is Babylon the great! She has become a dwelling place of demons, a haunt of every unclean spirit, a haunt of every unclean and hateful bird.