http://en.wikipedia.org/wiki/Hong_kong_history
Date Treaty Result
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20 January 1841 Convention of Chuenpee Preliminary cession of Hong
Kong Island to the United Kingdom
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29 August 1842 Treaty of Nanjing Cession of Hong Kong Island,
founded as a crown colony of the United Kingdom
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18 October 1860 Convention of Beijing Cession of Kowloon (south of
Boundary Street)
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1 July 1898 Second Convention of Beijing Lease of the New
Territories (including New Kowloon)
