Era
20th century
550
21st century
300
19th century
266
1900-1999
136
18th century
119
1867-1959
73
1989-
49
2000-2099
47
1800-1999
46
1800-1899
42
1991-
41
17th century
40
20e siècle
36
1945-
34
1900-2099
29
Colonial period, ca. 1600-1775
28
1946-
27
16th century
25
1945-1989
23
1949-
23
1954-
21
1564-1616
19
1960-
19
1933-1945
18
1947-
18
19e siècle
18
Civil War, 1861-1865
18
1964-
17
Early modern, 1500-1700
17
Revolution, 1775-1783
17
1953-
16
1955-
16
1961-1963
16
1965-
16
1969-1974
16
1988-
16
2015
16
1700-1899
15
1783-1865
15
1961-
15
1968-
15
1975-
15
1980-
15
1900 - 1999
14
1917-1963
14
1950-
14
1957-
14
1959-
14
1967-
14
1970-
14
more ...