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'.
1996
1972
1943
1964
1961
2022
1955
2025
1922
1923
2023
2024
1968
1999
1918
1919
1962
1971
1979
