Daniel 7:6-7, 23

After this I looked, and behold, another, like a leopard, with four wings of a bird on its back. And the beast had four heads, and dominion was given to it. After this I saw in the night visions, and behold, a fourth beast, terrifying and dreadful and exceedingly strong. It had great iron teeth; it devoured and broke in pieces and stamped what was left with its feet. It was different from all the beasts that were before it, and it had ten horns.

“Thus he said: ‘As for the fourth beast, there shall be a fourth kingdom on earth, which shall be different from all the kingdoms, and it shall devour the whole earth, and trample it down, and break it to pieces.