| Country | Sovereign | Born | Acceded | Consort (born) | Heir (born) |
 Austro-Hungarian Empire |  Emperor Franz Joseph I | 18 Aug 1830 | 2 Dec 1848 |  Archduke Franz Ferdinand (1863) | |
 Principality of Liechtenstein |  Prince Johann II | 5 Oct 1840 | 12 Nov 1858 |  Prince Franz (1853) | |
 Principality of Montenegro |  Prince Nikola I | 7 Oct 1841 | 13 Aug 1860 |  Princess Milena (1847) |  Her. Prince Danilo (1871) |
 Kingdom of Greece |  King George I | 24 Dec 1845 | 27 Jun 1863 |  Queen Olga (1851) |  Crown Prince Constantine (1868) |
 Kingdom of Belgium |  King Leopold II | 9 Apr 1835 | 17 Dec 1865 |  Prince Albert (1875) | |
 Kingdom of Rumania |  King Carol I | 20 Apr 1839 | 20 Apr 1866 |  Queen Elisabeth (1843) |  Crown Prince Ferdinand (1865) |
 Kingdom of Sweden |  King Oscar II | 21 Jan 1829 | 18 Sep 1872 |  Queen Sophia (1836) |  Crown Prince Gustaf (1858) |
 Ottoman Empire |  Sultan Abdul Hamid II | 22 Sep 1842 | 31 Aug 1876 | ||
 Kingdom of Spain |  King Alfonso XIII | 17 May 1886 | 17 May 1886 |  Queen Victoria Eugenie (1887) |  Infante Alfonso, Prince of Asturias (1907) |
 Principality of Bulgaria |  Prince Ferdinand I | 26 Feb 1861 | 7 Jul 1887 |  Her. Prince Boris (1894) | |
 German Empire |  Emperor Wilhelm II | 27 Jan 1859 | 15 Jun 1888 |  Empress Auguste (1858) |  Crown Prince Wilhelm (1882) |
 Principality of Monaco |  Prince Albert I | 13 Nov 1848 | 10 Sep 1889 |  Her. Prince Louis (1870) | |
 Kingdom of Portugal |  King Carlos I | 28 Sep 1863 | 19 Oct 1889 |  Queen Amelia (1865) |  Crown Prince Luis Filipe (1887) |
 Kingdom of the Netherlands |
 Queen Wilhelmina | 31 Aug 1880 | 23 Nov 1890 |  Prince Hendrik (1876) |  Wilhelm Ernst, Grand Duke of Saxe-Weimar-Eisenach (1876) |
 Russian Empire |  Emperor Nicholas II | 18 May 1868 | 1 Nov 1894 |  Empress Alexandra (1872) |  Tsarevich Alexei (1904) |
 Kingdom of Italy |  King Victor Emanuel III | 11 Nov 1869 | 29 Jul 1900 |  Queen Helena (1873) |  Crown Prince Umberto (1904) |
 United Kingdom of Great Britain & Ireland |  King Edward VII | 9 Nov 1841 | 22 Jan 1901 |  Queen Alexandra (1844) |  Prince George, Prince of Wales (1865) |
 Kingdom of Servia |  King Peter I | 11 Jul 1844 | 12 Jun 1903 |  Crown Prince George (1887) | |
 Grand Duchy of Luxemburg |  Grand Duke Guillaume IV | 22 Apr 1852 | 17 Nov 1905 |  Grand Duchess Maria Anna (1861) |  Princess Marie Adelaide (1894) |
 Kingdom of Norway |  King Haakon VII | 3 Aug 1872 | 18 Nov 1905 |  Queen Maud (1869) |  Crown Prince Olav (1903) |
 Kingdom of Denmark |  King Frederik VIII | 3 Jun 1843 | 29 Jan 1906 |  Queen Louise (1851) |  Crown Prince Christian (1870) |
 French Republic |  President Armand Fallières | 6 Nov 1841 | 18 Feb 1906 |
Windsor Castle, 17 November 1907.
Standing: King Alfonso XIII of Spain, Emperor William II of Germany, Queen Alexandra of the United Kingdom, King Edward VII of the United Kingdom.
Seated: Queen Maud of Norway, Empress Augusta of Germany, Queen Amelia of Portugal, Queen Victoria Eugenie of Spain.
King Leopold II of Belgium, King Alfonso XIII of Spain, President Emile Loubet of France, King Edward VII of the United Kingdom, King Carlos I of Portugal, King Christian IX of Denmark.
Emperor Franz Joseph I of Austria-Hungary, King Oscar II of Sweden and Norway, Emperor Nicholas II of Russia, King Victor Emanuel III of Italy, Emperor Wilhelm II of Germany.
Sultan Abdul Hamid II of the Ottoman Empire, King George I of Greece, King Peter I of Serbia, King Carol I of Romania, Prince Ferdinand I of Bulgaria, Prince Nicholas I of Montenegro.