In 1418–1420, Michael I defeated the Ottomans in Severin, only to be killed in battle by the counter-offensive; in 1422, the danger was averted for a short while when Dan II inflicted a defeat on Murad II with the help of Pippo Spano.
Aastatel 1418–1420 võitis Mihail I Osmaneid Severinis, kuid tapeti lahingus; aastal 1422 kõrvaldati oht lühikeseks ajaks, kui Dan II tekitas Pippo Spano abil Murad II-le kaotuse.