. . . . . . "The Bars class were a group of submarines built for the Imperial Russian Navy during World War I. A total of 24 boats were built between 1914 and 1917."@en . . . "The Bars class were a group of submarines built for the Imperial Russian Navy during World War I. A total of 24 boats were built between 1914 and 1917."@en . . "Bars-class submarine (1915)"@en . "300"^^ . . . . . "Bars in 1914"@en . . . . . .