Holy Roman Empire
The empire was dissolved on 6 August 1806, when the last Holy Roman Emperor Francis II (from 1804, Emperor Francis I of Austria) abdicated, following a military defeat by the French under Napoleon at Austerlitz (see Treaty of Pressburg). Napoleon reorganized much of the Empire into the Confederation of the Rhine, a French satellite. Francis' House of Habsburg-Lorraine survived the demise of the empire, continuing to reign as Emperors of Austria and Kings of Hungary until the Habsburg empire's final dissolution in 1918 in the aftermath of World War I.
Glycerius (bishop of Milan)
Saint Glycerius has been erroneously confused as the Glycerius (c. 420 - after 480), who was one of the last of the Western Roman Emperors (reigned 473-474), and who became bishop of Salona after his deposition. Accounts concerning the emperor's later life are mixed: