140 years of the Bulgarian Navy, general viewBy qenwtivu / 09/17/2022 Certificate of Vladimir Obreshkov, midshipman, for the completion of the Marine Corps. Odessa, April 13, 1910 Bulgarian naval officers training in the Marine Corps, 1905-1910. St. Petersburg Map of the sea battle between "Druzki" and "Hamidie" In an appendix to the book "The War between Bulgaria and Turkey 1912-1913", published in 1923.
