Refugees displaced by this conflict spread an outbreak of plague that coincided with the most extreme of the Great Frosts. A plot by the ambassadors Erik Sparre (“spar”) and Karl Gyllenborg led to British intervention in this conflict. Hundreds of civilians were massacred during this conflict’s Murder Friday, part of the devastation of one province in the Great Wrath. A treaty signed during this conflict mandated the extradition of Johann Reinhold Patkul and the withdrawal of Augustus the Strong. The losing side in this conflict lost its exemption from the Sound Dues and the provinces of Ingria and Livonia. A Cossack defection did not prevent one ruler from losing this conflict’s Battle of Poltava. For 10 points, name this war in which Peter the Great led a coalition against Charles XII’s Sweden. ■END■
ANSWER: Great Northern War [accept Second Northern War; prompt on Northern Wars]
<Queen’s A, European History>
= Average correct buzz position