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    https://en.wikipedia.org › wiki › U-boat

    U-boat - Wikipedia

    • Austro-Hungarian Navy submarines were also known as U-boats. U-boats are most known for their unrestricted submarine warfare in both world wars, trying to disrupt merchant traffic towards the UK and force the UK out of the war. 展开

    Overview

    U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. The term is an anglicized version of the German word U-Boot [ˈuːboːt] , a shortening of Unterseeboot (under-sea boat), though th… 展开

    Early U-boats (1850–1914)

    The first submarine built in Germany, the three-man Brandtaucher, sank to the bottom of Kiel Harbor on 1 February 1851 during a test dive. Inventor and engineer Wilhelm Bauer had designed this vessel in 1850, and … 展开

    World War I (1914–1918)

    During 1914, the U-boats operated against the British fleet: on 5 September 1914, the light cruiser HMS Pathfinder was sunk by SM U-21, the first ship to have been sunk by a submarine using a self-propelled torpedo. On … 展开

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