Ethnic groups also celebrate their own festivals. In common years they usually celebrate their birthdays on February 28. Each priest may only celebrate the Divine Liturgy once a day. In common years, they usually celebrate their birthdays on February 28. The race started as a way for the city to celebrate its centennial in 1982. Others celebrate her day on August 15. Pastafarians celebrate every Friday as a holy day. We are about to celebrate 27 years in business. Thus, Jehovah's Witnesses do not celebrate birthdays. There was nothing with which we could celebrate, except cookies. Churches celebrate it on the first Sunday after Pentecost. People celebrate it all over the country. Why do we celebrate Rama Navami? Russians still celebrate 25 January as Students' Day. The holiday did not celebrate individual women, but an idealized standard of motherhood.