Era
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Japanese occupation, 1942-1945
3
Since 2000
3
World War, 1939-1945
3
1724-1804
2
1744-1803
2
1746-1818
2
1754-1794
2
1761-1819
2
1781-1838
2
17th cent
2
1828-1886
2
1861-1865
2
1872-1935
2
1874-1964
2
1880-1958
2
1885-1945
2
1889-1945
2
1894-1971
2
1896-1981
2
1900-1947
2
1901-1973
2
1905-1997
2
1908-1974
2
1913-
2
1915-
2
1915-1990
2
1915-1996
2
1917-1936
2
1920-2006
2
1921-
2
1925-
2
1927-2015
2
1929
2
1933-
2
1934-
2
1938-1945
2
1945-1955
2
1945-1970
2
1948-1949
2
1960-
2
1966-
2
1977-1981
2
1985-1991
2
1990-
2
1991-1995
2
2008
2
20th Century
2
Civil War, 1936-1939
2
Civil War, 2011-
2
Since 1990
2
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