Era
20th century
1,320
1900-1999
686
1914-1918
210
19th century
208
1800-1999
106
1918-1945
65
21st century
62
1913-1921
55
1933-1945
44
World War, 1914-1918
39
1800-1899
33
1871-1918
29
1900-2099
28
1939-1945
28
1856-1924
27
1900 - 1999
26
1918-1933
26
1865-1918
25
1899-1961
18
Revolution, 1917-1921
18
1914-1945
17
1919-1933
17
1914 - 1918
16
1918-1932
16
Civil War, 1861-1865
16
Ottoman Empire, 1288-1918
12
1865-1999
11
1929
11
1945-
11
1865-1921
10
1865-1950
10
1867-1918
10
1889-1945
10
1901-1953
10
2000-2099
10
Nicholas II, 1894-1917
10
1865-1933
9
1870-1940
9
1888-1918
9
Since 1900
9
1789-1900
8
1860-1948
8
18th century
8
1900-1945
8
1912-1945
8
1917-1948
8
1921-1923
8
20e siècle
8
1799-1917
7
1885-1945
7
more ...