Assertion: epiphany's origin | /r/HasProperty | the visit of the three magi
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Source sentences:
text: The observance had its origins in the eastern Christian church, and included the birth of Jesus Christ; the visit of the three Magi (Caspar, Melchior and Balthasar) who arrived in Bethlehem; and all of Jesus' childhood events, up to his baptism in the Jordan by John the Baptist.