Era
20th century
140
19th century
43
21st century
33
1564-1616
28
1900-1999
19
1933-1945
16
18th century
13
1945-
13
1939-1945
12
2001-
12
20e siècle
11
Civil War, 1861-1865
11
Revolution, 1775-1783
11
1809-1865
10
1899-1974
10
1941-
10
1961-1969
10
17th century
9
1933-
9
1929
8
1949-
8
1182-1226
7
1901-1971
7
1928-
7
1953-
7
2001-2010
7
1800-1899
6
1915-1959
6
1934-
6
1961-
6
1964-
6
1971-
6
1993-
6
German occupation, 1940-1945
6
1483-1546
5
1775-1817
5
1856-1939
5
1874-1965
5
1908-1964
5
1915-
5
1920-2005
5
1926-
5
1929-1968
5
1935-
5
1943-
5
1944-
5
1946-
5
1947-
5
1948-
5
1951-
5
more ...