 Complete the following phrase:  In the first half of the 17th century, the Great Plague of Milan claimed some 1.7 million victims in Italy, or about 14 of the population. In 1656, the plague killed about half of Naples 300,000 inhabitants. More than 1.25 million deaths resulted from the extreme incidence of plague in 17th-century Spain. The plague of 1649 probably reduced the population of Seville by half. In 17091713, a plague epidemic that followed the Great Northern War 17001721, Sweden v. Russia and allies killed about 100,000 in Sweden, and 300,000 in Prussia. The plague killed two-thirds of the inhabitants of Helsinki, and claimed a third of Stockholms population. Western Europes last major epidemic 