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Top of the IA Hierarchies

			............ Named Events
			................ <European history>
			.................... Russian history
			........................ Battle of Stalingrad (Russian history, 1942-1943)
			........................ <Russian Civil War (Russian history, 1918-1920)>
			........................ Russian Revolution of 1917 (European history, 1917)
			........................ Russo-Turkish War of 1676-1681 (Russo-Turkish history, 1676-1681)
			........................ Ukrainian War of Independence (European history, 1917)