Era
20th century
232
1900-1999
118
19th century
104
1939-1945
96
1800-1899
59
1564-1616
55
21st century
41
1900 - 1999
30
Civil War, 1861-1865
27
1957-
22
2000-2099
22
1775-1817
20
18th century
20
1946-
20
1947-
20
2001-2009
20
1939 - 1945
19
1800 - 1899
18
1971-
18
Siglo XX
17
1914-1918
16
1944-
16
1929
15
1953-
15
1954-
15
2003-2011
15
British occupation, 1765-1947
15
1933-
14
1949-
14
1700-1799
13
1861-1865
13
1941-
13
1939-
12
1942-
12
1958-
12
1961-1975
12
20e siècle
12
17th century
11
1889-1945
11
1908-1964
11
1911-1983
11
1933-1945
11
1945-1970
11
1952-
11
1955-
11
1967-
11
1968-
11
2001-
11
1491-1547
10
1507-1536
9
more ...