Esther 9:18-20

18But the Jews that were at Shushan gathered themselves together on the thirteenth [day] thereof, and on the fourteenth thereof; and on the fifteenth of the same they rested, and made it a day of feasting and joy.

19Therefore the Jews of the villages that dwell in the country towns make the fourteenth of the month Adar a day of joy and feasting, and a good day, and on which they send portions one to another.

20And Mordecai wrote these things, and sent letters to all the Jews near and far that were in all the provinces of king Ahasuerus,