Kurban-Bairam (festival of sacrifice). It is the annual Muslim festival according with the lunar calendar. It is the culmination of the Hadj or holy pilgrimage and commonly a 4-day holiday.
The celebration of the Orthodox Church festivals also has certain interest: the Orthodox Christmas; Maslennitsa (Shrovetide), annual Christian festival of farewell to winter celebrating in February; and Paskha (Easter), the festival of resurrection of Christ celebrating in the end of April.