'Thirty ninth' in the Bible

Shallum son of Jabesh became king in the thirty-ninth year of Uzziah king of Judah, and he reigned one month in Samaria.

In the thirty-ninth year of Azariah king of Judah, Menahem son of Gadi became king over Israel and reigned ten years in Samaria.

In the thirty-ninth year of his reign Asa became diseased in his feet. His disease was severe, yet even in his disease he did not seek the Lord, but the physicians.