A large-scale event will unite the theaters of St. Petersburg and open the backstage to the audience. The free program includes performances, meetings, and educational formats. A major cultural initiative is being launched in Russia to mark World Theatre Day and the anniversary of the Union of Theatre Workers. Theaters and art spaces across Russia will prepare special projects that reveal diverse theatrical forms and practices. The event emphasizes the role of theater in public life. The program includes evening and night shows, backstage tours, open rehearsals, lectures, workshops, creative meetings, and readings. The events are aimed at a wide audience and professionals. Each region will create its own poster taking into account local specifics. In St. Petersburg, leading venues will participate: Vera Komissarzhevskaya Theater, Arkady Raikin Variety Theater, Alexandrinsky Theater, and the Youth Theater on Fontanka, among others. Admission is free, but registration is required for some events. Registration for spectators will begin on March 20 at 12:00. The theatrical poster of St. Petersburg is available on the KUDAGO website.