• In the
Austro-Hungarian Empire, the
Emperor of Austria also served as
King of Hungary and
King of Bohemia till the fall of the monarchy in 1918. The Hungarian crown remained in existence but vacant and therefore was ruled by
Regent Miklós Horthy until 1946. • The
German Emperor, a specifically chosen title in the
federal monarchy of
Prussian-dominated Germany, also held the title of
King of Prussia from 1871 to the fall of the monarchy in 1918. The two were constitutionally linked, as Emperor
Wilhelm II discovered when he attempted to abdicate the Imperial crown while retaining the Prussian crown. •
Napoleon I was also styled
Imperial and Royal Majesty between 1805 and 1814 as
Emperor of the French and
King of Italy. •
John VI of the United Kingdom of Portugal, Brazil and Algarves was styled
His Imperial and Royal Majesty, from 1825, when Portugal and Brazil signed the
Treaty of Rio de Janeiro, recognizing the Brazilian independence but granting John VI as the titular
Emperor of Brazil, until 1826, when he died. • The monarchs of
Austria-Hungary titled "His Imperial and Royal
Apostolic Majesty" (
Seine Kaiserliche und Königliche Apostolische Majestät) along with his consort Empress Elisabeth, who was styled "Her Imperial and Royal Apostolic Majesty" (
Ihre Kaiserliche und Königliche Apostolische Majestät). The plural for the couple was also used as "Their Imperial and Royal Apostolic Majesties" (
Ihre Kaiserlichen und Königlichen Apostolischen Majestäten). •
Victor Emmanuel III of Italy claimed the thrones of
Ethiopia and
Albania as
Emperor of Ethiopia (1936–41) and
King of the Albanians (1939–43). ==Note==