In 1453, a Hungarian cannon maker was rejected by the cash-strapped Byzantines, then hired by Sultan Mehmed II. His massive cannons helped the Ottomans breach C

In 1453, a Hungarian cannon maker was rejected by the cash-strapped Byzantines, then hired by Sultan Mehmed II. His massive cannons helped the Ottomans breach Constantinople’s legendary walls. One of the great ironies of Constantinople’s fall is that Orban, a Hungarian cannon maker, reportedly offe…