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
Governor of Hong Kong of the People's Liberation Army Hong Kong Garrison. Authorities and duties of the governor were defined in the Hong Kong Letters Patent and Royal Instructions in 1843. The governor, appointed by the British monarch (on the advice of the Foreign Secretary), exercised the executive branch of the Government of Hong Kong throughout British sovereignty and, with the exception of a brief experiment after World War II, no serious attempt was made to introduce representative government, until the final years of British rule. The Governor of Hong Kong chaired the colonial cabinet, the Executive Council (ExCo), and, until 1993, was also