Hong Kong (1800s–1930s) oversaw the founding of the new crown colony of Hong Kong under the British Empire. After the First Opium War, the territory was ceded by the Qing Empire to the United Kingdom of Great Britain and Ireland through Treaty of Nanjing (1842) and Convention of Peking (1860) "in perpetuity", with additional land was leased to the British under the Convention for the Extension of Hong Kong Territory (1898), Hong Kong became one of the first parts of East Asia to undergo industrialisation.