Original: September 25 & ndash ; Battle of Nicopolis : The Ottomans defeat a joint crusade by Hungary , France , the Holy Roman Empire , England and Wallacia , led by King Sigismund of Hungary .
Simplified: September 25 - Battle of Nicopolis : The Ottomans defeat a joint crusade by Hungary , France , the Holy Roman Empire , England and Wallacia , led by King Sigismund of Hungary .