2 Kings 23:29,30
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.
Nave's Topical Index—AKJV

2 Chronicles 35:20-24
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.
Nave's Topical Index—AKJV