Era
20th century
582
20e siècle
176
21st century
168
19th century
161
1900-1999
144
18th century
46
21e siècle
46
Civil War, 1861-1865
28
19e siècle
27
17th century
26
2000-2099
26
1900-2099
23
Revolution, 1775-1783
23
1800-1999
18
1800-1899
15
16th century
14
1941-
10
Colonial period, ca. 1600-1775
9
18e siècle
8
Edo period, 1600-1868
7
To 1500
7
15th and 16th centuries
6
1700-1799
6
1883
6
1931-
6
1934-
6
1936-
6
1950-
6
1954-
6
1956-
6
400-1400
6
Ming-Qing dynasties, 1368-1912
6
1932-
5
1933-1945
5
1935-
5
1943-
5
1963-
5
1732-1799
4
1868-1928
4
1887-1953
4
1893
4
1900 - 2099
4
1937-
4
1938-
4
1948-
4
1957-
4
20e siècle
4
Confederation, 1783-1789
4
Siglo XX
4
1564-1616
3
more ...