When did the split between East and West over the dating of Gentile Passover occur? According to Epiphanius (Pan. 70.9.2), a fourth-century bishop who sought to answer this question, most of the churches in the East and West until c. 135 followed a common tradition of observing Gentile Passover when the Jerusalem congregation celebrated a more Jewish form of Passover, on Nissan 14. Notably, the Jewish leaders of the Jerusalem congregation contributed to unity in the ekklesia by determining the proper date of Passover:
For this was their chief and entire concern: the one unity, so that there would be no schisms or divisions . . . Now altogether there were fifteen bishops (episkopon) from the circumcision [Jews], and it was necessary at that time, when the bishops from the circumcision were being ordained in Jerusalem, for the whole world to follow them and celebrate the feast with them, that there might be one accord and one confession, one feast celebrated; this was the reason for their solicitude which gathered the minds of people into the unity of the church (Epiphanius, Pan. 70.10.3–5).3
Epiphanius comments that the unifying inluence of Messianic Jewish leaders determining the date of Passover for the whole ekklesia ceased during the reign of the emperor Hadrian when all Jews, including Messianic Jews, were expelled from Jerusalem (c. 135).
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- Epiphanius comments that the unifying inluence of Messianic Jewish leaders determining the date of Passover for the whole ekklesia ceased during the reign of the emperor Hadrian when all Jews, including Messianic Jews, were expelled from Jerusalem (c. 135). The term “Easter,” with reference to the Gentile Christian festival, is first attested in the writings of Bede (eighth century C.E.). Many scholars today anachronistically use the term “Easter” instead of “Passover” when rendering the Greek word pascha (or its equivalent) in English translations of the New Testament and patristic texts (even Acts 12:4 in the King James Version refers to “Easter”).
- See Raniero Cantalamessa, Easter in the Early Church: An Anthology of Jewish and Early Christian Texts (Collegeville: The Liturgical Press, 1993), 128b.
- Philip R. Amidon, trans., The Panarion of St. Epiphanius, Bishop of Salamis (Oxford: Oxford University Press, 1990), 274; critical edition: GCS (Holl/Dummer) 3.243. Epiphanius quotes the Regulation of the Apostles, which he considers to be a reliable source, “You shall not calculate, but celebrate the feast whenever your brethren from the Circumcision [Jews] do. Keep it together with them . . . Even if they err, do not be concerned” (Epiphanius, Pan. 70.10.2, 6; trans. Cantalamessa, 73–74).
- See Eusebius, Hist. eccl. 4.5–6.

