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
Protestant missions in China Chinese, treating thousands of patients. The defeat of China by Great Britain in the First Opium War resulted in the Treaty of Nanking in 1842 which opened to trade, residence by foreigners, and missionary activity five Chinese port cities: Guangzhou ("Canton"), Xiamen ("Amoy"), Fuzhou ("Foochow"), Ningbo ("Ningpo"), and Shanghai. Protestant missionary organizations established themselves in the open cities. In the Second Opium War (1856–1860) Great Britain and France defeated China. The Convention of Peking in 1860 opened up the entire country to travel by foreigners and provided for freedom of religion in China. Protestant missionary activity increased quickly after this