History reveals the great city of Babylon was conquered in one night, without resistance, in 539 BC by Cyrus the Great. Revelation 14:8 reads:
14:8 And there followed another Angel, saying, Babylon is fallen, is fallen, that great citie, because she made all nations drink of the wine of the wrath of her fornication.
I had that gentle nudge in 1995. When I didn't follow it, I got the rug pulled out from under me. Only then did I choose to follow that not-so-gentle nudging.