[1] In the medieval Serbian states, the privileged class consisted of nobility and clergy, distinguished from commoners, part of the feudal society.
Serbs distinguished themselves as warriors and diplomats, and enrolled in Austrian, Transylvanian or Wallachian services.
[2] After the fall of Vienna in 1683, Serbian warriors left for Austria and Russia where they obtained high ranks and honors in the armies, and once again a new level of nobility emerged.
[2] Similarly, towards the Adriatic, the Frontier Serbs, outlaw hajduks and Uskoks waged war against the Ottomans, and were bestowed noble titles by the Republic of Venice.
[2][1] Karadjorde, the Supreme Leader of the First Serbian Uprising, granted titles of nobility during war.