This work is the brief charter, composed in Latin at the court of the Emperor Sigismund, formed the chivalry society of the Order of the Dragon. Its membership was relegated to members of the German nobility and sovereign monarchs, all of whom took oaths of loyalty and mutual support to drive the Ottoman Turks out of Europe. These knights who made this pledge maintained to organize a crusade to supply military support to the declining Eastern Roman Empire, as well as various Balkan princes, which in time, would prove to be politically disastrous in coming years with the collapse of the Varna Crusade a few decades later. Among those who would eventually swear oaths to the order, Vlad II, Prince of Wallachia, would be among the most popularly remembered, as he would bear the title of the order in his post-nomen "Dracul".