American Standard Version (ASV):
The word that came to Jeremiah from Jehovah in the tenth year of Zedekiah king of Judah, which was the eighteenth year of Nebuchadrezzar.
King James Version (KJV):
The word that came to Jeremiah from the LORD in the tenth year of Zedekiah king of Judah, which [was] the eighteenth year of Nebuchadrezzar.