Era
20th century
53
21st century
10
1929
7
19th century
6
1867-1957
5
1960-1980
4
1564-1616
3
1945-
3
1980-2020
3
Civil War, 1861-1865
3
1824-1920
2
1891-1961
2
1930-
2
1930-1961
2
1933-1945
2
1959-1990
2
1969-
2
1979-1997
2
Japanese occupation, 1910-1945
2
Revolution, 1979
2
Revolution, 1989
2
1057-1603
1
16th century
1
1714-1837
1
1801-1917
1
1828-1910
1
1844-1919
1
1847-1944
1
1853-1895
1
1858-1917
1
1864-1910
1
1870-1962
1
1878-1967
1
1879-1973
1
1888-1969
1
1897-1962
1
1898-1951
1
1899-1973
1
1901-1953
1
1917-1963
1
1917-1973
1
1918-1932
1
1918-2007
1
1919-1933
1
1924-1960
1
1926-1960
1
1936-1960
1
1939-1945
1
1941
1
1947-
1
more ...