King Ahasuerus replied to Queen Esther and to Mordecai the Jew, “Look, I have already given Haman’s estate to Esther, and he has been hanged on the gallows because he took hostile action ¹  against the Jews.

Then the king said to Queen Esther, “In Susa the citadel the Jews have killed and destroyed five hundred men and the ten sons of Haman! What then have they done in the rest of the king’s provinces? What is your request? It shall be given to you. What other petition do you have? It shall be done.”

to establish these days of Purim in their proper times, just as Mordecai the Jew and Queen Esther had established, and just as they had established both for themselves and their descendants, matters pertaining to fasting and lamentation.