Hong Kong–United Kingdom relations a deeply important role in the formation of the modern Hong Kong. Sovereignty of Hong Kong was ceded to the UK "in perpetuity" on 29 August 1842 through the Treaty of Nanking. The UK further expanded the territory of Hong Kong in 1860 by another cessation, plus a 99-year lease of the New Territories in 1898. The stability, security, and predictability of British law and government enabled Hong Kong to flourish as a centre for international trade. Localisation of teritary institutions, the Hong Kong government and the independent Judiciary in the run-up to the 1997 Handover of sovereignty, caused a
Handover of Hong Kong of the PRC's view with regards to the question of Hong Kong; during their meeting, Deng outlined his plans to make the territory a special economic zone, which would retain its capitalist system under Chinese sovereignty. In the same year, Edward Youde, who succeeded MacLehose as the 26th Governor of Hong Kong, led a delegation of five Executive Councillors to London, including Chung Sze-yuen, Lydia Dunn, and Roger Lobo. Chung presented their position on the sovereignty of Hong Kong to Thatcher, encouraging her to take into consideration the interests of the native Hong Kong population in her upcoming visit to