Revelation 9:14

saying to the sixth angel the one having the trumpet, Loose the four angels which have been bound at the great river Euphrates.

Treasury of Scripture Knowledge

Summary

And the name of the third river is Hiddekel: that is it which goeth toward the east of Assyria. And the fourth river is Euphrates.

Euphrates

Bible References

Euphrates

Revelation 9:14
saying to the sixth angel the one having the trumpet, Loose the four angels which have been bound at the great river Euphrates.