Revelation 12:7-9 ▼

7 And war broke out in heaven, Michael [the archangel] and his angels waging war with the dragon. The dragon and his angels fought,

8 but they were not strong enough and did not prevail, and there was no longer a place found for them in heaven.

9 And the great dragon was thrown down, the age-old serpent who is called the devil and Satan, he who continually deceives and seduces the entire inhabited world; he was thrown down to the earth, and his angels were thrown down with him.