Question: The 15th Infantry Division was an infantry formation of the Russian Imperial Army that existed in various formations from the early 19th century until the end of World War I and the Russian Revolution which dismantled the Tsarist autocracy and led to the rise of what?
Sentence (from "Russian Revolution"): In the second revolution that October, the Provisional Government was toppled and all power was given to the soviets.
Relevant evidence: No