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?
Russian Revolution: The Russian Revolution was a pair of revolutions in Russia in 1917 which dismantled the Tsarist autocracy and led to the rise of the Soviet Union.
i don't know