Saint Saviour's Day is celebrated on September 14th in honor of the Feast of the Exaltation of the Holy Cross. This day commemorates the discovery of the True Cross by Saint Helena, the mother of Emperor Constantine, in the 4th century. It is a significant feast in the Christian liturgical calendar, particularly in the Eastern Orthodox and Roman Catholic traditions. The observance of Saint Saviour's Day often includes special church services, prayers, and the veneration of the cross. Many communities may also hold processions or feasts to mark the occasion, reflecting the importance of the cross in Christian faith and its symbolism of salvation.