China and Britain By Carson Francis Period: 1839 to 1842 British in the first opium war, from 1839 to 1842 Government officials to fight against the British in the first opium war, from 1839 to 1842 1842 The Treaty sign of Najing The Treaty sign of Najing 1850 Opium dens Opium dens Period: 1850 to 1864 The Taiping Rebellion The Taiping Rebellion Period: 1861 to 1908 Dawager empress a xi ruled China from 1861 to 1908 Dawager empress a xi ruled China from 1861 to 1908