The Ottoman army, headed by the sultan…
1439 CE
The Ottoman army, headed by the sultan Murad II himself, again attacks and sacks Serbia in 1439.
Despot Đurađ fled to Hungary in May 1439, leaving his eldest son Grgur Branković and Jerina's brother Thomas Kantakouzenos to defend Smederevo.
After three months of siege, Smederevo falls on August 18.
The Ottomans appointe Grgur as governor of his father’s estates captured by the Ottomans.