Era
20th century
336
15th century
229
1933-1945
222
19th century
163
12th century
120
1945-1955
101
13th century
81
14th century
71
1918-1933
70
16th century
66
1924-
63
1926-
62
18th century
61
1923-
60
1922-
57
1925-
55
11th century
52
1920-
51
17th century
50
1921-
50
1918-1945
47
1945-1990
47
1889-1945
40
1928-
39
1919-
34
1927-
34
1929-
33
1915-
27
Revolution, 1917-1921
24
1931-
23
Revolution, 1918
23
1945-
22
1918-
21
1900-1999
20
1914-
20
1930-
20
Civil War, 1861-1865
20
9th century
19
1893-1946
18
1910-
18
1888-1918
16
1911-
16
1913-
16
1926-2022
16
Allied occupation, 1918-1930
16
1874-1964
15
1916-
15
1917-
15
354-430
15
1813-1883
14
more ...