HMS Cardiff was briefly sent to the Baltic during which multi-party war after the Russian Revolution?
HMS Cardiff (D58):  "Cardiff" was briefly deployed to the Baltic in late 1918 supporting anti-Bolshevik forces during the British campaign in the Baltic during the Russian Civil War. Russian Civil War: The Russian Civil War (Russian: Гражда́нская война́ в Росси́и , "Grazhdanskaya voyna v Rossiyi" ; November 1917 – October 1922) was a multi-party war in the former Russian Empire immediately after the Russian Revolutions of 1917, as many factions vied to determine Russia's political future.
Russian Civil War