Era
20th century
84
1564-1616
37
19th century
29
1900-1999
15
21st century
11
1929
10
1939-1945
10
18th century
9
Civil War, 1861-1865
9
1946-
6
1960-
6
1918-1945
5
1933-1945
5
1945-1970
5
1947-
5
active 11th century
5
1491-1547
4
1533-1603
4
16th century
4
1700-1799
4
1860-1937
4
1927-1987
4
1943-
4
1955-
4
1961-1975
4
1965-
4
1968-
4
20e siècle
4
Siglo XX
4
1387-1422
3
1421-1471
3
14th century
3
1507-1536
3
1729-1796
3
1800-1899
3
1860-1890
3
1879-1970
3
1899-1996
3
1930-
3
1942-
3
1948-
3
1961-
3
1961-1970
3
1969-
3
1970-
3
2000-2099
3
2001-2009
3
Catherine II, 1762-1796
3
Colonial period, ca. 1600-1775
3
Early modern, 1500-1700
3
more ...