Opium Wars
September 4, 1839 – October 24, 1860
Britain, later joined by France, fought two wars against Qing China over the opium trade and access to Chinese markets. China lost both wars and had to sign unequal treaties that opened ports and ceded Hong Kong.
Battles 2
September 4, 1839 – August 29, 1842
First Opium War
British victory
Canton (Guangzhou)
Queen Victoria, Daoguang Emperor, William Lamb, 2nd Viscount Melbourne
October 8, 1856 – October 24, 1860
Second Opium War
Allied victory
Canton (Guangzhou)
Queen Victoria, Xianfeng Emperor, Edward Smith-Stanley, 14th Earl of Derby
Key commanders
United Kingdom 4
Qing China 7
United Kingdom and France 7
Queen Victoria
belligerent leader
Edward Smith-Stanley, 14th Earl of Derby
belligerent leader
Henry John Temple, 3rd Viscount Palmerston
belligerent leader
Napoleon III
belligerent leader
James Hope Grant
belligerent leader
Charles Cousin-Montauban
belligerent leader
Charles Rigault de Genouilly
military commander









