Mari Autonomous Republic. Construction of residential buildings, public buildings in the city of Yoshkar-Ola according to the designs of architects in Moscow and Leningrad. Builders are working. Associate professor of the Mari State University P. G. Efremov conducts classes with students. Mari Polytechnic Institute A. Peredreev defending his Ph.D. thesis. Mari writers: S. Nikolaev, G. I. Matyukovsky, V. S. Stolyarov-Yuksern. Performance of the "Bagpipe" Mari dance ensemble. Workshop of the Butyakov Tool Factory. Manufacture of refrigerators, paper in the shops of industrial enterprises of the Mari Republic. Livestock complexes in state and collective farms of the Republic. Milk processing at one of the dairy factories. Awarding of the Mari Autonomous Republic with the Order of the October Revolution in connection with the 50th anniversary of its foundation. The order is attached to the banner of the Republic.