Chaserious I was asking myself the same thing, and alas here's is what I found...
*** w09 1/15 p. 32 Highlights From the Book of Revelation—I ***
8:1-5—Why did a silence occur in heaven, and what was subsequently hurled to the earth? A symbolic silence occurred in heaven so that “the prayers of the holy ones” on earth could be heard. This was at the end of the first world war. Anointed Christians did not ascend to heaven at the end of the Gentile Times, as many had expected they would. They experienced difficult times during the war. So now they prayed fervently for guidance. In response to their prayers, the angel hurled to the earth a symbolic fire that set the anointed Christians afire spiritually. Though few in number, they began a worldwide preaching campaign that made God’s Kingdom a burning issue, thus lighting a fire in Christendom. Thunderous warnings from the Bible were sounded forth, flashes of Scriptural truth were made known, and the realm of false religion was shaken to its foundation, just as buildings are shaken by an earthquake.
8:6-12; 9:1, 13; 11:15—When did the seven angels prepare to blow their trumpets, and when and how were the trumpet blasts sounded? Preparation to blow the seven trumpets included giving direction to the revitalized members of the John class on earth from 1919 to 1922. Such anointed ones were then getting busy in reorganizing the public ministry and building up publishing facilities. (Rev. 12:13, 14) The sounding of the trumpets represents fearless proclamations of Jehovah’s judgments against Satan’s world by God’s people in cooperation with the angels. Notably, this began with the Cedar Point, Ohio, convention in 1922 and lasts all the way down to the great tribulation.
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Like Punk of Nice/Paul said in another thread, this is vomit-inducing nonsense. I keep thinking that if John really wrote Revelation whilst imprisoned in Patmos, he must have been under the effect of the most powerful mushrooms he could possibly find there. Reminds me of the scene in The Hobbit where Saruman says Radagast is a foolish fellow. Also, reminds of Joseph Smith and the Book of Mormon, the only difference we can know who Joseph Smith was, whereas the bible writers.... Alec