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"Danzig" was ordered under the contract name "Ersatz" and was laid down at the Imperial Dockyard in Danzig in 1904 and launched on 23 September 1905, after which fitting-out work commenced. She was commissioned into the High Seas Fleet on 1 December 1907. After her commissioning, "Danzig" served in the reconnaissance forces of the High Seas Fleet. In 1910, she was used as a training ship for the fleet's gunners.