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
Transition from Ming to Qing tribesmen and were largely acculturated to their ways. The Jurchen Manchus accepted and assimilated Han Chinese soldiers who went over to them, and Han Chinese soldiers from Liaodong often adopted and used Manchu names. Indeed Nurhaci's secretary Dahai may have been one such individual. There were too few ethnic Manchus to conquer China, but they absorbed defeated Mongols, and, more importantly, added Han Chinese to the Eight Banners. The Manchus had to create an entire "Jiu Han jun" (Old Han Army) due to the very large number of Han Chinese soldiers absorbed into the Eight Banners by both capture and