The Battle of Moon Sound (oct 16, 1917 – nov 3, 1917)

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The Battle of Moon Sound was a naval battle fought between the forces of the German Empire, and the then Russian Republic (and three British submarines) in the Baltic Sea from 16 October 1917 until 3 November 1917 during World War I. The German intention was to destroy the Russian forces and occupy the West Estonian Archipelago. The Imperial German Navy had 1 battlecruiser, 10 battleships, 9 light cruisers, 1 mine cruiser, 50 destroyers and 6 submarines while the Russians had only 2 pre-dreadnoughts, 3 cruisers, 3 gunboats, 21 destroyers, plus 3 British submarines (wikipedia)

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