Question

James Puckle's square-bullet machine gun was intended for use against this empire. A different kingdom's nobles plotted the Magnate Conspiracy after an unpopular peace with this empire was signed at Vasvár. Bakers may have created a food called a kipferl to celebrate a victory over this empire. This empire relinquished control over Morea in the Treaty of (*) Karlowitz. Troops fleeing a rout of this empire's army at Kahlenberg Mountain left bags of coffee beans used to establish cafés. That battle included history's largest cavalry charge and resulted in defeat for this empire at the hands of Jan Sobieski's Winged Hussars. For 10 points, what empire's failed 1683 siege of Vienna saw the defeat of its Janissary troops? ■END■

ANSWER: Ottoman Empire [or the Sublime Ottoman State or Devlet-i Aliye-i Osmaniye; accept Sublime Porte or Sublime Gate; accept the Turkish Empire; reject "Turkey"]
<History - European History>
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