In the late spring of 1718 near the village of Pozarevac (German Passarowitz) in northern Serbia, freshly conquered by Habsburg forces, three delegations representing the Holy Roman Emperor, Ottoman Sultan, and the Republic of Venice gathered to end the conflict that had begun three and a half years earlier. The fighting had spread throughout southeastern Europe, from Hungary to the southernmost tip of the Peloponnese. The peace redrew the map of the Balkans, extending the reach of Habsburg...