
| Country | Head of State | 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) |
|
Kingdom of Montenegro |
![]() King Nikola I |
7 Oct 1841 | 13 Aug 1860 | Queen Milena (1847) |
Crown Prince Danilo (1871) |
Kingdom of Rumania |
![]() King Carol I |
20 Apr 1839 | 20 Apr 1866 | Queen Elisabeth (1843) |
![]() Crown Prince Ferdinand (1865) |
Kingdom of Spain |
![]() King Alfonso XIII |
17 May 1886 | 17 May 1886 | ![]() Queen Victoria Eugenie (1887) |
![]() Infante Alfonso, Prince of Asturias (1907) |
Kingdom of Bulgaria |
King Ferdinand I |
26 Feb 1861 | 7 Jul 1887 | Queen Eleonore (1860) |
![]() Crown 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 the Netherlands |
Queen Wilhelmina |
31 Aug 1880 | 23 Nov 1890 | Prince Hendrik (1876) |
Princess Juliana (1909) |
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) |
|
Kingdom of Servia |
King Peter I |
11 Jul 1844 | 12 Jun 1903 | ![]() Crown Prince Alexander (1888) |
|
Kingdom of Norway |
![]() King Haakon VII |
3 Aug 1872 | 18 Nov 1905 | ![]() Queen Maud (1869) |
Crown Prince Olav (1903) |
Kingdom of Sweden |
![]() King Gustaf V |
16 Jun 1858 | 8 Dec 1907 | Queen Victoria (1862) |
![]() Crown Prince Gustaf Adolf (1882) |
Ottoman Empire |
Sultan Mehmed V |
2/3 Nov 1844 | 27 Apr 1909 | Crown Prince Yusuf Izzettin Efendi (1857) |
|
Kingdom of Belgium |
King Albert I |
8 Apr 1875 | 23 Dec 1909 | Queen Elisabeth (1876) |
![]() Prince Leopold, Duke of Brabant (1901) |
United Kingdom of Great Britain and Ireland |
King George V |
3 Jun 1865 | 6 May 1910 | Queen Mary (1867) |
![]() Prince Edward, Prince of Wales (1894) |
Portuguese Republic |
President Manuel de Arriaga |
8 Jul 1840 | 24 Aug 1911 | Lucrécia de Arriaga (1844) |
|
Grand Duchy of Luxemburg |
Grand Duchess Marie Adelaide |
14 Jun 1894 | 25 Feb 1912 | ![]() Princess Charlotte (1896) |
|
Kingdom of Denmark |
King Christian X |
26 Sep 1870 | 14 May 1912 | Queen Alexandrine (1879) |
Crown Prince Frederik (1899) |
Albania |
![]() Prime Minister Ismail Qemali |
16 Jan 1844 | 29 Nov 1912 | ||
Swiss Confederation |
![]() President Eduard Müller |
12 Nov 1848 | 1 Jan 1913 | ||
French Republic |
President Raymond Poincaré (Co-Prince of Andorra) |
20 Aug 1860 | 18 Feb 1913 | Henriette Poincaré (1858) |
|
Kingdom of Greece |
King Constantine I |
2 Aug 1868 | 18 Mar 1913 | Queen Sophie (1870) |
Crown Prince George (1890) |
