Headdress, Russian, 1795-1805  Diadems with open tops such as these were only worn my unmarried women in order to showcase their hair, considered a prize possession. Russian beliefs stated that evil could be worked against a married woman if her hair was exposed; therefore they were required to hide their hair under a full headdress. Costumes, Russian Fashion, Historical Costume, Russian Folk, Russian Dress, Historical Clothing, Folk Costume, Russian Clothing, Folk