Nyorai kupfuurira kweiyi ndima - Kubva muna 1883 kusvika muna 1885 Rozhestensky akatumirwa kuNavy yeBulgaria yakanga ichangobva kuumbwa
. Akagadzirawo chirongwa chekudzivirira pamhenderekedzo yegungwa yeBulgaria, uye aive mumwe wevatangi veTechnology Association yeBulgaria.