Era
20th century
219
19th century
113
21st century
107
1900-1999
69
2000-2099
59
18th century
38
1800-1899
23
17th century
15
1700-1799
12
1800-1999
11
Civil War, 1861-1865
10
1900-2099
8
1946-
8
1989-
7
2001-2009
7
Early modern, 1500-1700
7
1900 - 1999
6
1795-1872
5
1945-
5
1993-2001
5
2016
5
Since 1900
5
1800 - 1899
4
1812-1870
4
1819-1891
4
1819-1892
4
1941-1955
4
1945-1989
4
1500-1700
3
1630-1685
3
16th century
3
1739-1777
3
1789-1809
3
1898-1967
3
1933-1945
3
1965-1975
3
1981-1989
3
1993-
3
2000 - 2099
3
Charles II, 1660-1685
3
Civil War, 1936-1939
3
Revolution, 1775-1783
3
Revolution, 1789-1799
3
To 1865
3
1500-1699
2
1600-1699
2
1600-1799
2
1706-1790
2
1756-1835
2
1763-1822
2
more ...