Era
20th century
85
1900-1999
49
19th century
29
1939-1945
22
21st century
15
1800-1899
14
1900 - 1999
11
1929-1968
10
20e siècle
9
1809-1865
8
18th century
8
2000-2099
8
Civil War, 1861-1865
8
Revolution, 1775-1783
8
2020
7
1933-1945
6
2011
6
To 332 B.C.
6
1861-1865
5
1919-1972
5
1929
5
2013
5
2021
5
To 146 B.C.
5
1700-1799
4
1706-1790
4
1775-1783
4
1775-1865
4
1800 - 1899
4
1997-
4
19e siècle
4
2012
4
21e siècle
4
United States
4
1564-1616
3
1757-1804
3
1786-1836
3
17th century
3
1815-1852
3
1822-1913
3
1886-1957
3
1914-1918
3
1917-1963
3
1918-2013
3
1925-1965
3
1939 - 1945
3
1940-1994
3
1942-2016
3
1954-
3
1987-
3
more ...