Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Esther 3:13

Letters were sent by couriers into all the king’s provinces, to destroy, to kill, and to cause to perish, all Jews, both young and old, little children and women, in one day, even on the thirteenth day of the twelfth month, which is the month Adar, and to plunder their possessions.

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