Jeremiah 32:1
"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."
Cross References (ranked by relevance)
Jeremiah 25:1
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;
2 Chronicles 36:11
Zedekiah was one and twenty years old when he began to reign, and reigned eleven years in Jerusalem.