After the Turkish siege of Vienna in 1529, Ferdinand recognized that defense of the Habsburg lands required that Hungary form a bulwark against the Turks. Although Turkey's ultimate objective was the conquest of Europe, Western Europe did not see the Turks as a threat and was unwilling to aid Ferdinand in the defense of the continent's eastern borders. He thus signed a peace agreement with the Turks in 1562 that formalized the stalemated status quo in Hungary.

THE COUNTER-REFORMATION AND THE THIRTY YEARS' WAR

Data as of December 1993