Jeremiah 22:9

22:9 The answer will come back, “It is because they broke their covenant with the Lord their God and worshiped and served other gods.”

Jeremiah 39:2

39:2 It lasted until the ninth day of the fourth month of Zedekiah’s eleventh year. ¹  On that day they broke through the city walls.

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¹ sn According to modern reckoning that would have been July 18, 586 b.c. The siege thus lasted almost a full eighteen months.