Revelation 6:7-8 - The Fourth Seal
7 And, when he opened the fourth seal, I heard the voice of the fourth living creature, saying - Go! 8 And I saw, and lo! a livid horse, - and he that was sitting thereupon had for a name, Death, and, Hades, was following with him; and there was given unto them authority over the fourth of the earth, to slay with sword, and with famine, and with death, and by the wild beasts of the earth.