While proselytizing Arabia, Muhammad captures the Banu Kurara tribe and forces the group of about 600 to chose between conversion and death.After spending all night praying, all but three or four Banu Kurarans are beheaded.In a special session, the Vienna city council forced Jews to wear the Pileum cornutum, a cone-shaped headress prevelent in many medieval woodcuts illustrating Jews.
The Bull was withdrawn the following year, alleging that the Jews of Rome attained the Bull by fraud.
Jews in Norwich, England, are accused of murdering a Christian child in what is believed to be the first ritual murder charge.
Some Jews return within a few years, but many return only after the Muslims conquer Egypt.
Rebellion leader Mar Zutra usurps power from Kobad the Zenduk, establishing an independant Jewish state in Babylon that would last for seven years, until Zutra's forces defeated Zutra's army, killing him and instituted a harsh policy toward the remaining Jews.
King Wenceslaus refused to condemn the act, insisting that the responsibility lay with the Jews for going outside during the Holy Week.
Ferrand Martinez, archdeacon of Ecija, begins a campaign against Spanish Jewry, killing over 10,000 and destroying the Jewish quarter in Barcelona.
The Jews were also forbidden from riding horses and holding judicial or civil posts, and were forced to wear a yellow patch for identification.
In the wake of a narrow military defeat over Muslim forces, Leo III of Constantinople decided his nation's weakness lay in its heterogenious population, and began the forcible conversion of the Jews, as well as the "New Christians." Most converted under Leo III clandestinely continued their Jewish practices.
Heraclius' decree remained in effect until the Muslim conquest of Jerusalem.