เทศนาธรรม พระชัยชนะ ทำบุญร่วมกัน
The Turks recognized that Belgrade was the biggest obstruction to their conquerings in central Europe. After the capitulation of Smederevo in 1440, Sultan Murad II directed an army of over hundred thousand Turkish soldiers to besiege Belgrade's fortress.
from: http://ezinearticles.com/?Belgrade---From-Turkish-Province-to-City-of-the-Future-of-Southeast-Europe---Part-I&id=4659658
