His death occurred in 528 B.C., as we have a Babylonian tablet from the Adar of the tenth year of Cyrus, i.e.
These academies were organized on both scholastic and popular lines; their constitution was democratic. An outstanding feature was the Kallah assemblage twice a year (in Elul at the close of the summer, and in Adar at the end of the winter), when there were gathered together vast numbers of outside students of the most heterogeneous character as regards both age and attainments.
David Brandeis of Jung-Bunzlau in Bohemia was saved from an accusation of poisoning on the 10th of Adar 1731, and instituted a similar family Purim celebration in consequence.
The Jews of Frankfort celebrate their special Purim on the 10th of Adar because of their deliverance from persecution by Fettmilch in 1616.
In the spring when the succulent ashub and adar grow plentifully in the desert, they go for weeks without drinking.
Zimmern indeed connects the Akitu festival with 'that of Purim on the 15th Adar (March); see K.A.T.
Thus the Jews of Cairo celebrated Purim on the 28th of Adar in memory of their being miraculously saved from the persecution of Ahmed Pasha in 1524.