Complex sentence: He had them removed to the church of Saint Fausta, and on the next day into the basilica, accompanied in the texts by many miracles, emblemmatic of divine favour in the context of the great struggle then taking place between Ambrose and the Arian Justina.
Split into simpler sentences: He had them removed to the church of Saint Fausta, and on the next day into the basilica. It is related that many miracles occurred at this time, which were taken as a sign of divine favour in the context of the great struggle then taking place between Ambrose and the Arian Justina.