Era
20th century
379
19th century
227
1564-1616
216
1900-1999
85
1939-1945
84
Civil War, 1861-1865
61
18th century
53
1800-1899
48
21st century
35
17th century
31
1929
31
1945-
31
1812-1870
29
1933-1945
26
1947-
25
2233-2371
23
1948-
22
active 11th century
22
1491-1547
21
1890-1976
19
Colonial period, ca. 1600-1775
19
German occupation, 1940-1945
19
1387-1422
17
1889-1945
17
Revolution, 1917-1921
17
1933-
16
1946-
16
1971-
16
20e siècle
16
Revolution, 1789-1799
16
1533-1603
15
1809-1865
15
1918-1945
15
1944-
15
1967-
15
British occupation, 1765-1947
15
Civil War, 1936-1939
15
1931-
14
1949-
14
1979-1997
14
2305-2399
14
1452-1485
13
1507-1536
13
1775-1817
13
1914-1918
13
1953-
13
1954-
13
1968-
13
1367-1413
12
1700-1799
12
more ...