5th-century BC Persian imperial letter instructing Jewish troops on the Feast of Unleavened Bread
An Aramaic letter sent by Hananiah (likely official envoy of the Jerusalem leadership) to the Jewish community at Elephantine relaying royal instructions from Persian King Darius II regarding Passover.
Rigorous 4-part empirical analysis separating ancient text from bias and consensus
Lines 3–8 read: 'Now, you thus count fourteen days in Nisan and on the fourteenth at twilight observe the Passover, and from the fifteenth day until the twenty-first day of Nisan observe the festival of Unleavened Bread... Do no work; do not drink beer, and let no leaven be found in your houses.'
Corroborates the calendar dates, ritual abstinence from work, and removal of leaven prescribed in Exodus 12:15–18 and Leviticus 23:5–6 as operating across the Persian diaspora.
Scholars emphasize that Persian imperial authorization was required to permit Jewish garrison troops to take off duty for religious festivals, matching royal support in Ezra and Nehemiah.
Authoritative communal circular ensuring ritual unity between the Jerusalem center and frontier military colonies.