Revelation 16:18 References

18 And there were flashes of alightning and sounds and peals of thunder; and there was ba great earthquake, csuch as there had not been since man came to be upon the earth, so great an earthquake was it, and so mighty.

c Daniel 12:1, Matthew 24:21

Daniel 12

1 "Now at that time aMichael, the great prince who stands guard over the sons of your people, will arise. And there will be a btime of distress csuch as never occurred since there was a nation until that time; and at that time your people, everyone who is found written in the dbook, will be rescued.

Matthew 24

21 "For then there will be a agreat tribulation, such as has not occurred since the beginning of the world until now, nor ever will.

Other references for Revelation 16:18

a Revelation 4:5

b Revelation 6:12