Passage cross-references.

In his days Pharaohnechoh king of Egypt went up against the king of Assyria to the river Euphrates: and king Josiah went against him; and he slew him at Megiddo, when he had seen him.

Is not Calno as Carchemish? is not Hamath as Arpad? is not Samaria as Damascus?

The word that came to Jeremiah concerning all the people of Judah in the fourth year of Jehoiakim the son of Josiah king of Judah, that was the first year of Nebuchadrezzar king of Babylon;

Pharaoh king of Egypt, and his servants, and his princes, and all his people;

And it came to pass in the fourth year of Jehoiakim the son of Josiah king of Judah, that this word came unto Jeremiah from the LORD, saying,

The word that Jeremiah the prophet spake unto Baruch the son of Neriah, when he had written these words in a book at the mouth of Jeremiah, in the fourth year of Jehoiakim the son of Josiah king of Judah, saying,

Declare ye in Egypt, and publish in Migdol, and publish in Noph and in Tahpanhes: say ye, Stand fast, and prepare thee; for the sword shall devour round about thee.

In the tenth year, in the tenth month, in the twelfth day of the month, the word of the LORD came unto me, saying, …

After all this, when Josiah had prepared the temple, Necho king of Egypt came up to fight against Charchemish by Euphrates: and Josiah went out against him. …

Behold, I will send and take all the families of the north, saith the LORD, and Nebuchadrezzar the king of Babylon, my servant, and will bring them against this land, and against the inhabitants thereof, and against all these nations round about, and will utterly destroy them, and make them an astonishment, and an hissing, and perpetual desolations.