Following the Russian Revolution of 1917 and the fall of the Russian Empire , Finland declared itself independent . During the Finnish Civil War , Vyborg was in the hands of the Finnish Red Guards until it was captured by the White Guard on the Battle of Vyborg , April 29 , 1918 . In April – May 1918 , 360 – 420 civilians were murdered by White Guards during the Vyborg massacre
Vyborg massacre
Vyborg massacre
Vyborg