Era
20th century
70
19th century
23
1900-1999
12
1945-
9
1564-1616
8
21st century
8
1929
7
1939-1945
7
1946-
7
1960-1980
6
2001-2009
6
20e siècle
6
Civil War, 1861-1865
6
1948-
5
1961-
5
Civil War, 1994
5
1800-1899
4
1812-1870
4
1901-1966
4
1931-
4
1944-
4
1945-1970
4
Colonial period, ca. 1600-1775
4
1452-1485
3
17th century
3
1918-1945
3
1919-1933
3
1929-1968
3
1933-
3
1933-1945
3
1945-1975
3
1947-
3
1949-
3
1955-
3
1961-1969
3
1968-
3
2001-
3
German occupation, 1940-1945
3
Revolution, 1775-1783
3
Revolution, 1910-1920
3
Since 2001
3
1122?-1204
2
1133-1189
2
1182-1226
2
14th century
2
1533-1603
2
1632-1675
2
1809-1865
2
1835-1910
2
1869-1932
2
more ...