sentences:  On 13 June 1918 she struck a mine and had to undergo repairs at Hull.After the First World War, "Centaur" was sent to the Baltic Sea in December 1918 to take part in the British campaign there against Bolshevik and German forces during the Russian Civil War.In March 1919, she was reassigned from Harwich Force to the 3rd Light Cruiser Squadron in the Mediterranean Fleet, recommissioning at Malta in June 1920 and Gibraltar in October 1922 to continue that service.