May 10 Go-Kameyama, Emperor of Japan Jun 10 Duke Ernest of Austria (b. 1377) Aug 12 Yongle, Emperor of the Ming Empire (1402-24), dies at 64 Oct 11 Jan Zizka, Czech (army)leader (Hussieten), dies of plague at 46 Dec 31 Thomas Beaufort, 1st Duke of Exeter, English military leader 1423 Famous Deaths by Year 1425 Famous People by Cause of Death Assassination Drug Overdose Gunshot Wound Murder Plane Crash Suicide