Era
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1864-1910
3
1864-1945
3
1865-1900
3
1865-1918
3
1865-1945
3
1898-1979
3
1900 - 2099
3
1923-1929
3
1929-2009
3
1944-1979
3
1945-1985
3
1958-
3
1973-
3
1979-1992
3
1980-2020
3
1982-2006
3
1988-2002
3
1999-
3
2006-
3
Civil War, 1861-1865
3
Japanese occupation, 1910-1945
3
Revolution, 1974
3
Since 1974
3
Since 1979
3
Since 1982
3
Since 1989
3
1775-1783
2
1775-1865
2
1783-1865
2
1800-1917
2
1801-1917
2
1815-1861
2
1861-1865
2
1871-1955
2
1878-1923
2
1878-1967
2
1901-1989
2
1910-1943
2
1910-1945
2
1912-1949
2
1917-1963
2
1925-1961
2
1934-
2
1943-1955
2
1945-1991
2
1950-
2
1952-
2
1959-
2
1961-1963
2
1961-1971
2
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