Era
20th century
1,431
1914-1918
549
World War, 1914-1918
255
1913-1921
197
1900-1999
178
20e siècle
162
1871-1918
155
1918-1945
151
1888-1935
142
Revolution, 1917-1921
116
1856-1924
110
1910-1936
71
1914-1945
70
19th century
53
1918-1933
51
1888-1918
50
German occupation, 1914-1918
46
George V, 1910-1936
39
1894-1917
37
1914-1940
33
Nicholas II, 1894-1917
33
Civil War, 1861-1865
32
Arab Revolt, 1916-1918
28
1933-1945
25
1886-1967
24
1914 - 1918
23
1919-1933
23
1918-
22
1859-1941
21
1867-1918
21
1851-1929
20
1861-1928
20
1863-1945
19
1892-1918
19
1871-
18
1917-1921 (Révolution)
18
1865-1937
17
1893-1918
17
1899-1961
17
1900 - 1999
17
1893-1970
16
1919-1932
16
Allied intervention, 1918-1920
16
1860-1948, USMA 1886
15
1864-1922
15
1917-1936
15
Allied occupation, 1918-1930
15
William II, 1888-1918
15
1914-
14
1865-1918
13
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