Feast of the Circumcision of Christ to be celebrated simply as the octave day of Christmas, the "eighth day" on which, according to , the child was circumcised and given the name Jesus. In the 13th or 14th century 1 January began to be celebrated in Rome, as already in Spain and Gaul, as the feast of the Circumcision of the Lord and the Octave of the Nativity, while still oriented towards Mary and Christmas. The emphasis that Saint Bernardine of Siena (1380–1444) laid on the name of Jesus in his preaching led in 1721 to the institution of a separate Feast of the Holy Name
Feast of the Annunciation with the Incarnation of Christ at the Annunciation, on which date Jesus Christ is believed to have been conceived in the Virgin Mary by the Holy Spirit. The Knights of Columbus observe the Feast of the Annunciation as the "International Day of the Unborn Child". Feast of the Annunciation The Feast of the Annunciation, contemporarily the Solemnity of the Annunciation, also known as Lady Day, the Feast of the Incarnation ('), Conceptio Christi ('), commemorates the visit of the archangel Gabriel to the Virgin Mary, during which he informed her that she would be the mother of Jesus Christ, the