text: After one ruler involved in this war fled to the Ottoman Empire, they defeated this war's victor in the Pruth ["prooth"]
full_question: After one ruler involved in this war fled to the Ottoman Empire, they defeated this war's victor in the Pruth ["prooth"] River Campaign. During this war, Augustus the Strong signed the Treaty of Thorn, allying his kingdom with the victorious side. The losing ruler of this conflict was shot and killed during a siege of Fredriksten. Despite being heavily outnumbered, one side in this war relieved a siege at the Battle of Narva. This war, which ended with the Treaty of Nystad, resulted in a nation led by Charles XII losing its status as the dominant Baltic power. For 10 points, name this war in which Peter the Great's Russia won at Poltava against the Swedish Empire.
first_sentence: After one ruler involved in this war fled to the Ottoman Empire, they defeated this war's victor in the Pruth ["prooth"]
raw_answer: Great Northern War