Task: Text Categorization
Input (English): In the aftermath of this conflict, Isokyro was burned to the ground. An early treaty in this war saw one side agree not to intervene and cede territory to Holstein-Gottorp, the Peace of Travendal. One side in this conflict scored its first ever naval victory at Gangut, while a land victory for the opposing side saw Charles Eugene de Croy defeated by a force one fourth the size of his. Carl Gustav Rehnskiold commanded for one side in the bloodiest battle of this war, Poltava. FTP, name this war during the time of Charles XII and Peter the Great, which saw the downfall of the empire of Sweden.
Output (English): History