Nine kings in one photo, 1910.
@thewaywe_wereStanding, from left to right: King Haakon VII of Norway, Tsar Ferdinand of the Bulgarians, King Manuel II of Portugal and the Algarve, Kaiser Wilhelm II of Germany and Prussia, King George I of the Hellenes and King Albert I of the Belgians.
Seated, from left to right: King Alfonso XIII of Spain, King George V of the United Kingdom and King Frederick VIII of Denmark.