Opium Wars Opium Wars The Opium Wars were two wars in the mid-19th century involving China and the British Empire over the British trade of opium and China's sovereignty. The clashes included the First Opium War (1839–1842) and the Second Opium War (1856–1860). The wars and events between them weakened the Qing dynasty and forced China to trade with the other parts of the world. In 1820, China's economy was the largest in the world, according to British economist Angus Maddison. Within a decade after the end of the Second Opium War, China's share of global GDP had fallen by half. In
Commemorative medal of the 1860 China Expedition 18 October 1860. The Commemorative medal of the 1860 China Expedition was awarded by the Emperor to all who served in the China Expedition on propositions of the minister overseeing the service in which the potential recipient served. All recipients also received a certificate of award. A later imperial decree dated 25 March 1861 confirmed that all recipients were to adhere to the code of conduct as set by the Imperial decree of 18 March 1852 under the authority of the Grand chancellor of the Legion of honour. The Commemorative medal of the 1860 China Expedition was a 30 mm