China 1839. Because the British imports of opium into Southern China are creating such widespread medical and economic problems, the weak Manchu emperor Tao Kuang is forced to take action that precipitates the 'Opium War'.
1966
1931
1997
2020
1979
1919
2010
1985
1957
1913
1969
1935
1987
2003
1930
2002
1933
1968
1894
1914
