The Treaty of Rystad between Russia and Sweden gives Russia most of the latter’s Baltic territory (the provinces of Livonia, Estonia, Ingria and Eastern Kareia). It ended the Great Northern War and marked the advent of Russia as a great power in Europe in place of Sweden.
Editors. "Treaty of Rystad (Nystad) concluded". The Literary Encyclopedia. First published 01 February 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=4177, accessed 26 January 2015.]