In the second century, after the death of the apostle John around the turn of the century, the Ephesian church, under the leadership of John's disciple Polycarp (AD 69-155) and later Polycrates (c. 130-196), remained faithful to early church teachings and traditions, including observing Passover on Nisan 14. However, across most of Christendom, Easter had replaced Passover, and those who resisted this change, known as Quartodecimans or Judaizers, became a small minority by the time of Origen (c. 185-254). The Roman Church did not officially ban the practice of keeping Passover on Nisan 14 until the Council of Nicea in AD 325, when rules were established to determine the date of Easter for the entire Church. Later, Canon 29 of the Council of Laodicea (AD 363-364) anathematized Judaizers who kept the seventh-day Sabbath, many of whom were also Quartodecimans. During this period, the church became largely Gentile, observing Sunday as the Lord's Day instead of the Sabbath, and grew in power and political influence. It attracted converts from Greco-Roman paganism and frontier regions like Britain, Germany, and Dacia, assimilating them by blending the Christian Easter celebration with pagan spring festivals, from which non-biblical Easter traditions emerged.