Feast of the Holy Name of Jesus when he was circumcised, he was called Jesus, the name given by the angel before he was conceived in the womb." Medieval Catholicism, and many other Christian churches to the present day, therefore celebrated both events as the Feast of the Circumcision of Christ, usually on 1 January. Bernardino of Siena placed great emphasis on the Holy Name, which he associated with the IHS Christogram, and may be responsible for the coupling of the two elements. In the Latin Rite Catholic Church it is observed as an optional memorial on 3 January by Catholics following the present General Roman Calendar.
History of Christian theology took the first position; the popular presbyter Arius, from whom the term Arian controversy comes, took the second. The council decided against the Arians overwhelmingly (of the estimated 250-318 attendees, all but 2 voted against Arius). Another result of the council was an agreement on the date of the Christian Passover ("Pascha" in Greek; Easter in modern English), the most important feast of the ecclesiastical calendar. The council decided in favour of celebrating the resurrection on the first Sunday after the first full moon following the vernal equinox, independently of the Bible's Hebrew Calendar (see also Quartodecimanism), and authorized the