Jeremiah 25:11

Seventy years] for the definite number cp. Jeremiah 29:10. The Jewish love for round numbers would lead them to consider the number seventy used in such a connexion as standing for any approximation to that amount. The captivity seems to have been, in fact, for somewhat less than seventy years.

Immediately upon Jeremiah 25:13 there come in the Septuagint (Greek) version of this book the prophecies against foreign nations, which in the English (following the Hebrew) stand at the end (Jeremiah 46-51).