Preventing the Ottomans from Conquering Western Europe in the Fifteenth Century

de bene esse: literally, of well-being, morally acceptable but subject to future validation or exception

Late medieval warfare...

http://www.medievalists.net/2013/12/15/janos-hunyadi-preventing-the-ottomans-from-conquering-western-europe-in-the-fifteenth-century/

Janos Hunyadi: Preventing the Ottomans from Conquering Western Europe in the Fifteenth Century -...

medievalists.net

By using his experiences gained in the condottiere wars in Italy and in the Hussite Wars in Bohemia, he was able to defend the Hungarian borders, and successfully attacked the Turks on their territory