Battle of Kosovo

The Second Battle of Kosovo (Hungarian: második rigómezei csata, Turkish: İkinci Kosova Muharebesi) was a land battle between a Hungarian-led Crusader army and the Ottoman Empire at Kosovo field (the Field of Blackbirds) that took place from 17–20 October 1448. It was the culmination of a Hungarian offensive to avenge the defeat at the Battle of Varna four years earlier.