Ezra 4:6
Years later when Xerxes began his reign, the enemies of Judah wrote a letter of accusation against the people of Judah and Jerusalem.

Esther 3:13
Dispatches were sent by swift messengers into all the provinces of the empire, giving the order that all Jews--young and old, including women and children--must be killed, slaughtered, and annihilated on a single day. This was scheduled to happen on March 7 of the next year. The property of the Jews would be given to those who killed them.

Esther 9:1
So on March 7 the two decrees of the king were put into effect. On that day, the enemies of the Jews had hoped to overpower them, but quite the opposite happened. It was the Jews who overpowered their enemies.