7th » The Ming Dynasty Military history of China before 1911 Chinese military general Cao Qin Rebellion of Cao Qin stages a coup against the Zhengtong Emperor Tianshun Emperor.
15th » The Empire of Trebizond surrenders to the forces of Sultan Mehmed II. This is regarded by some historians as the real end of the Byzantine Empire. Emperor David of Trebizond named David is exiled and later murdered.