Says who? Is it actually prohibited in the us constitution?
The british monarch is head of state of multiple nations, and has been for over a century.
King George VI/Queen Elizabeth II/Charles III - Monarch over several British Commonwealth realms.
Wilhelm II - Emperor of Germany and King of Prussia
To name a few who disagree.
I believe USA also claims land around any Apollo device at the Moon. [no source]
[0] https://en.wikipedia.org/wiki/List_of_states_and_territories...
Throughout that time and afterwards, the monarch of England & Scotland was often also the monarch of other territories too, so that "one title" is eliding a bunch of stuff.
> Interestingly, the Constitution does not specify whether the 14 years have to be consecutive, nor is the 14 years must occur immediately before the person becomes president. Herbert Hoover, for example, lived in London from 1910 to 1917, and when he ran for election in 1928, he had only lived, on his return, to the U.S. for 11 years. This did not disqualify him from the presidency.
His Imperial and Royal Apostolic Majesty, By the Grace of God Emperor of Austria, King of Hungary and Bohemia, Dalmatia, Croatia, Slavonia, Galicia, Lodomeria and Illyria; King of Jerusalem, etc.; Archduke of Austria; Grand Duke of Tuscany and Cracow; Duke of Lorraine, Salzburg, Styria, Carinthia, Carniola and Bukovina; Grand Prince of Transylvania, Margrave of Moravia; Duke of Upper and Lower Silesia, of Modena, Parma, Piacenza and Guastalla, of Auschwitz and Zator, of Teschen, Friaul, Ragusa and Zara; Princely Count of Habsburg and Tyrol, of Kyburg, Gorizia and Gradisca; Prince of Trento and Brixen; Margrave of Upper and Lower Lusatia and in Istria; Count of Hohenems, Feldkirch, Bregenz, Sonnenberg etc.; Lord of Trieste, of Cattaro and on the Windic March; Grand Voivode of the Voivodeship of Serbia
1. https://en.wikipedia.org/wiki/Grand_title_of_the_emperor_of_... 2. https://en.wikipedia.org/wiki/Charles_I_of_Austria#Titles,_s...
By the Grace of God Emperor of Austria; Apostolic King of Hungary, King of Bohemia, Dalmatia, Croatia, Slavonia, Galicia and Lodomeria; King of Jerusalem etc.; Archduke of Austria; Grand Duke of Tuscany and Cracow; Duke of Lorraine, Salzburg, Styria, Carinthia, Carniola and Bukowina; Grand Prince of Transylvania, Margrave of Moravia; Duke of Silesia, Modena, Parma, Piacenza, Guastalla, Auschwitz and Zator, Teschen, Friuli, Dubrovnik and Zadar; Princely Count of Habsburg and Tyrol, of Kyburg, Gorizia and Gradisca; Prince of Trent and Brixen; Margrave of Upper and Lower Lusatia and Istria; Count of Hohenems, Feldkirch, Bregenz, Sonnenburg etc.; Lord of Trieste, Kotor and the Windic March, Grand Voivod of the Voivodeship of Serbia etc.