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 "7th Infantry Division (Russian Empire)"): The 7th Infantry Division (Russian: 7-я пехотная дивизия , "7-ya Pekhotnaya Diviziya") 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.
Relevant evidence: No