Era
1969-
26
1945-1989
15
20th century
12
19th century
11
1933-1945
8
Revolution, 1775-1783
6
1929
4
18th century
2
1714-1837
1
1783-1809
1
1789-1799, Revolution
1
1860-1948
1
1874-1965
1
1889-1945
1
1913-1994
1
1913-2006
1
1919-1933
1
1924-
1
1945-
1
1945-1953
1
1945-1955
1
1953-1961
1
1955-1965
1
1962-
1
1989-
1
21st century
1
Bombardment, 1945
1
Catherine II, 1762-1796
1
Civil War, 1861-1865
1
Constitutional period, 1789-1809
1
Paul I, 1796-1801
1
Revolution, 1789-1799
1