Honk Kong History By carlohlson Mar 18, 1839 First Opium War Starts Aug 29, 1842 First Opium War Ends Aug 29, 1842 Treaty of Nanjing The Treaty of Nanjing was signed on 29 August 1842 to mark the end of the First Opium War (1839–42) between the United Kingdom of Great Britain and Ireland and the Qing Dynasty of China.
