7) Amalek is mentioned among the enemies of Israel - just as Greek writers of the 6th century of this era applied the old term Scythians to the Goths (Noldeke), - and the traditional hostility between Saul and Amalek is reflected still later in the book of Esther where Haman the Agagite is pitted against Mordecai the Benjamite.
In goo `Abu Said al-Jannabi, who had been sent to Bahrein by Haman, had secured a large part of this province and had won the city of Katif (Ketif) which contained many Jews and Persians.
It was most probably written during the Greek period towards the end of the 3rd century B.C. The book of Esther, which describes, with many legendary traits, how the beautiful Jewess succeeded in rescuing her people from the destruction which Haman had prepared for them, will not be earlier than the closing years of the 4th century B.C., and is thought by many scholars to be even later.
According to Jewish tradition it is held in celebration of the deliverance of the Jews from the massacre plotted against them by their enemy Haman in the time of Artaxerxes, who fixed upon the former date by casting "lots" (= Hebrew loan-word Purim) .
The Megillah or Roll of Esther is read both at home and in the synagogue, and wherever, during the reading, the name of Haman is mentioned, it is accompanied with tramping the feet.