During the First Opium War in 1841, British forces controlled Hong Kong Island. Following China's loss, the Qing Dynasty gave over Hong Kong to the United Kingdom in 1842 through the Nanjing Treaty.
During the First Opium War in 1841, British forces controlled Hong Kong Island. Following China's loss, the Qing Dynasty gave over Hong Kong to the United Kingdom in 1842 through the Nanjing Treaty.