Editors. "Tsar Alexis takes Smolensk in war with Poland". The Literary Encyclopedia. First published 01 April 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16389, accessed 21 May 2013.]
War breaks out between Russia and Poland, and is immediately successfully for the former, as Tsar Alexis takes Smolensk. The war is to last until 1667, and mark the beginning of Russia's rise as a great power.