EN
The matter of the article is the representation of ancient arms and armour in Saint Petetrburg’s architecture. Classisism style (1770-1840) and New Classicism style (1905-1915) are studied. The main point of the article is the representation of helmets in military décor. The article contains: 1. Typology of ancient military décor; 2. The full list of buildings with ancient military décor of Saint Petersburg; 3. Examples of ancient helmets in military décor of Saint Petersburg; 4. Aesthetical Analysis of the art, symbolic and ideological reasons for using ancient military décor in Saint Petersburg’s buildings; 5. The attempt to prove that archaic helmets are the most frequent kind of Saint Petersburg’s military décor; 6. The attempt to prove that Russian architects and sculptors did not copy ancient helmets and other arms but they created new samples according to the canons of Classicism art.