Era
18th century
32
20th century
17
1775-1783
15
19th century
11
1900 - 1999
9
1945-1989
9
21st century
8
1789-1815
6
17th century
6
1729-1797
5
1737-1809
5
1989-
5
2000 - 2099
5
1760-1820
4
1783-1789
4
1783-1809
4
1991-
4
Revolution, 1775-1783
4
1588-1679
3
1603-1714
3
1700-1799
3
1735-1826
3
1743-1826
3
1789-1809
3
1789-1900
3
1945-
3
Revolution, 1789-1799
3
Since 1991
3
To 146 B.C.
3
1368-1644
2
1485-1603
2
1642-1660
2
1694-1778
2
16th century
2
1751-1836
2
1775-1865
2
1782-1850
2
1783-1865
2
1789 - 1815
2
1789-1820
2
1829-1837
2
1890-1970
2
1933-1945
2
1948-
2
1951-
2
1953-1985
2
1958-
2
1959-1990
2
1963-1969
2
1969-1974
2
more ...