With the coming to power of the Bolsheviks, in particular on the territory of Ukraine, considerable attention was paid to the creation of new cultural and ideological standards and their spread among the population. For this, they tried to attract and apply various means and tools, one of which was the creation of a new festive culture. One of the first reforms implemented by the Bolsheviks was the calendar reform of 1918, the transition to the Gregorian calendar and the creation of their own holiday culture. Thus, a number of holidays were created, which were designed to supplant and replace the festive culture of the Russian Empire, as well as to establish Bolshevik control over this sphere. Festive culture was one of the most important tools with which the Bolsheviks tried to convey, spread and consolidate ideological and cultural standards, solutions to political or economic problems among the population. Therefore, Soviet holidays were characterized by centralization and uniformity, and were held according to a single model. For this, appropriate preparation was created and carried out, which was especially important during the preparation for public holidays, for example, the commemoration of the «October» anniversaries, in particular at the local level. The article examines the personalities of the organization of preparation for soviet mass holidays at the local level in the USSR, using the example of preparation for the celebration of the 10th anniversary of «October» in the Pervomaisk district in 1927; the organization and activities of the commissions that prepared for the holiday in the Pervomaisk district are analyzed and covered, the peculiarities of the course of preparation for the holiday are revealed. Keywords: soviet mass holidays, 10th anniversary of «October», Commission for the preparation of the 10th anniversary celebration «October», organization of preparation, unification, centralization.