Era
20th century
821
19th century
279
1900-1999
270
1898-1951
76
21st century
71
18th century
62
Revolution, 1775-1783
59
1951-
51
1800-1899
50
Colonial period, ca. 1600-1775
48
1775-1783
44
To 1898
43
1775-1865
34
1700-1799
29
2000-2099
27
1865-1898
22
2001
21
1800-1999
18
1900 - 1999
16
1600-1775
15
1898-1999
14
1971-1980
14
1900-2099
13
1929
12
1951-1960
12
Since 1951
12
1791-1861
10
17th century
10
1941-1950
10
1697-1746
9
1947-
9
1961-1970
9
Conspiracy of 1741
9
1721-1786
8
1783-1865
8
1792
8
1797
8
Civil War, 1861-1865
8
1564-1616
7
1737-1808
7
1791
7
1794
7
1795
7
1796
7
1811-1872
7
1849-1877
7
To 1775
7
1732-1799
6
1790
6
1806-1872
6
more ...