In the book of Revelations what happened when the first of seven trumpets sounded?

ANSWER

hail and fire mixed with blood burned a third of the Earth

Revelation 8 :

(7) The first angel sounded his trumpet, and there came hail and fire mixed with blood, and it was hurled down on the earth. A third of the earth was burned up, a third of the trees were burned up, and all the green grass was burned up.
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