| Country |
King, Queen, or Emperor (*=pictured) |
Born |
Acceded |
| Austrian Empire & Kingdom of Hungary |
Emperor Franz Joseph I |
18 August |
1830 |
2 December |
1848 |
| Kingdom of Greece |
King George I* |
24 December |
1845 |
27 June |
1863 |
| Kingdom of Roumania |
King Carol I (Prince 1866) |
20 April |
1839 |
26 March |
1881
|
| Kingdom of Spain |
King Alfonso XIII* |
17 May |
1886 |
17 May |
1886 |
| Kingdom of Bavaria |
King Otto I |
27 April |
1848 |
13 June |
1886 |
| German Empire & Kingdom of Prussia |
Emperor Wilhelm II* |
27 January |
1859 |
15 June |
1888 |
| Kingdom of the Netherlands |
Queen Wilhelmina |
31 August |
1880 |
23 November |
1890 |
| Kingdom of Württemberg |
King Wilhelm II |
25 February |
1848 |
6 October |
1891 |
| Russian Empire |
Emperor Nicholas II |
18 May |
1868 |
1 November |
1894 |
| Kingdom of Italy |
King Vittorio Emanuele III |
11 November |
1869 |
29 July |
1900 |
| Kingdom of Servia |
King Peter I |
11 July |
1844 |
12 June |
1903 |
| Kingdom of Saxony |
King Friedrich August III |
25 May |
1865 |
15 October |
1904 |
| Kingdom of Norway |
King Haakon VII* |
3 Aug |
1872 |
18 November |
1905 |
| Kingdom of Denmark |
King Frederik VIII* |
3 June |
1843 |
29 January |
1906 |
| Kingdom of Sweden |
King Gustaf V |
16 June |
1858 |
8 December |
1907 |
| Kingdom of Portugal |
King Manuel II* |
19 March |
1889 |
1 February |
1908 |
| Kingdom of Bulgaria |
King Ferdinand I* (Prince 1887) |
26 February |
1861 |
5 October |
1908 |
| Ottoman Empire |
Sultan Mehmed V |
2 November |
1844 |
27 April |
1909 |
| Kingdom of Belgium |
King Albert I* |
8 April |
1875 |
23 December |
1909 |
| United Kingdom of Great Britain and Ireland |
King George V* |
3 June |
1865 |
6 May |
1910 |
| Kingdom of Montenegro |
King Nikola I (Prince 1860) |
7 October |
1841 |
28 August |
1910 |
