Unterseeboot 6

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Unterseeboot 6 or U-1 has been the name of several German submarines or U-boats during the First World War, the Second World War and in the post-war Bundesmarine.

  • Unterseeboot 6 (1910) was one of the first ever German submarines, built in 1910 for service in the German Navy and sunk in 1915.