Era
20th century
31
19th century
8
1969-1974
5
Civil War, 1936-1939
3
Revolution, 1775-1783
3
1769-1852
2
1896-1936
2
18th century
2
Allied occupation, 1945-1952
2
Civil War, 1991-
2
Early modern, 1500-1700
2
World War, 1939-1945
2
1388?-1453
1
14th century
1
1564-1616
1
16th century
1
1707-1763
1
1757-1804
1
1760-1827
1
1777-1849
1
1784-1849
1
1789-1820
1
17th century
1
1800-1899
1
1873-1939
1
1882-1941
1
1886-1967
1
1888-1935
1
1889-1945
1
1890-1918
1
1890-1937
1
1892-1983
1
1893-1918
1
1909-
1
1912-1949
1
1918-1933
1
1933-1945
1
1961-
1
1980-
1
21st century
1
Allied occupation, 1918-1930
1
Allied occupation, 1918-1930
1
Civil War, 1861-1865
1
Civil War, 1945-1949
1
Civil War, 1991-2002
1
Insurrection, 1792
1
Revolution, 1917-1921
1
Soviet occupation, 1979-1989
1
To 1057
1
Victoria, 1837-1901
1
more ...