Cross-referencesExplore similar Bible verses on Revelation 9:15 in English Standard Version "So the four angels, who had been prepared for the hour, the day, the month, and the year, were released to kill a third of mankind." Re 8:7 The first angel blew his trumpet, and there followed hail and fire, mixed with blood, and these were thrown upon the earth. And a third of the earth was burned up, and a third of the trees were burned up, and all green grass was burned up.