Jacob Senleches – La harpe de melodie  Events 1391: Anti-Jewish pogroms spread throughout Spain and Portugal, and many thousands of Jews are massacred. 1396: The Battle of Nicopolis, in which the Ottoman Empire defeats a large Crusader army of knights and infantry from various Christian kingdoms including Hungary, France, the Holy Roman Empire, Burgundy and Wallachia. The Chinese invent toilet paper for use by their emperors. Music Jacob Senleches – La harpe de melodie