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
Australia–Hong Kong relations Australia–Hong Kong relations Australia–Hong Kong relations refers to international relations between Australia and Hong Kong. Australia has extensive and enduring interests in the Hong Kong Special Administrative Region. The Commonwealth of Australia supports Hong Kong's "high degree of autonomy" under Chinese sovereignty as provided for by the Sino-British Joint Declaration, Hong Kong's mini-constitution, the Basic Law, and in accordance with China's policy of observing "one country, two systems". Both colonies Australia and Hong Kong established by the British Empire in 1788 and 1841, which also on 26 January. Australian gold rushes in the 1850s was the first interaction between Australians