Smederevo Fortress (Serbian Latin: Smederevska tvrđava, Cyrillic: Cмeдepeвcκa твpђaвa), in Smederevo, Serbia, was a medieval fortified city and temporary capital of Serbia. It was built by Despot Đurađ Branković in the first half of the 15th century, during the era of the Serbian Despotate (...) (from Wikipedia)