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
1997
1931
1920
1923
2020
1919
1991
1957
1969
2003
1986
1935
1933
1995
2016
1968
1930
2002
