Era
20th century
250
19th century
108
1564-1616
60
1900-1999
52
1939-1945
42
Civil War, 1861-1865
41
21st century
38
20e siècle
30
1800-1899
28
1945-
28
1809-1865
22
1933-1945
21
1946-
20
Colonial period, ca. 1600-1775
18
18th century
17
1934-
17
1948-
17
Revolution, 1775-1783
16
2001-2009
15
1929
14
1949-
14
1812-1870
13
1942-
13
1944-
13
1951-
13
1960-
13
1882-1945
12
1908-1964
12
1917-1963
12
1918-1945
12
1874-1965
11
1943-
11
1947-
11
2001-
11
17th century
10
1858-1919
10
1879-1953
10
1929-1968
10
1957-
10
1961-
10
19e siècle
10
Siglo XX
10
1732-1799
9
1865-1898
9
1884-1962
9
1925-1953
9
1925-1965
9
1941-
9
1959-
9
1971-
9
more ...