Revelation 12:6-8

International Standard Version

⁶ Then the woman fled into the wilderness, where a place had been prepared for her by God so that she might be taken care of for 1,260 days.

The Vision of War in Heaven

⁷ Then a war broke out in heaven. Michael and his angels fought with the dragon, and the dragon and its angels fought back. ⁸ But it was not strong enough, and there was no longer any place for them in heaven.