August 30, 1363 – Beginning date of the Battle of Lake Poyang; the forces of two Chinese rebel leaders — Chen Youliang and Zhu Yuanzhang — are pitted against each other in what is one of the largest naval battles in history, during the last decade of the ailing, Mongol-led Yuan Dynasty.

October 4, 1363 – End of the Battle of Lake Poyang; the Chinese rebel forces of Zhu Yuanzhang defeat that of his rival, Chen Youliang, in one of the largest naval battles in history.

July 2, 1363 – Maria, Queen of Sicily and Duchess of Athens (d. 1401)