Jubilee celebrations in the USSR: ceremonial meetings in the Academies of Sciences of the Byelorussian SSR, Estonian SSR, Latvian SSR, in the Kiev Philharmonic, in the Academy of Arts in Leningrad, in the Great Hall of the Moscow Conservatory, in the Leningrad Hermitage. Exhibitions in honor of Leonardo da Vinci in the Hermitage, a museum of Western and Eastern art; printing in the printing house of selected works of Leonardo da Vinci. Paintings and manuscripts by Leonardo da Vinci.