Esther 9:11

9:11 On that same day the number of those killed in Susa the citadel was brought to the king’s attention.

Esther 9:18

The Origins of the Feast of Purim

9:18 But the Jews who were in Susa assembled on the thirteenth and fourteenth days, and rested on the fifteenth, making it a day for banqueting and happiness.