Hong Kong Certificate of Identity Hong Kong Certificate of Identity The Hong Kong Certificate of Identity (CI; ) was a formal travel document and passport, issued by the Hong Kong Government's Immigration Department until June 30, 1997 (See transfer of the sovereignty of Hong Kong). It is no longer possible to possess a valid CI as a travel document, as all CIs have expired by 30 June 2007, though most CI holders should be eligible to hold the HKSAR Passport. Certificates of Identity were issued to Hong Kong permanent residents who did not hold and could not obtain any valid travel documents for overseas travel.
Military history of Hong Kong the Empire of Tang finished conquest the southern China. The empire built a military and naval base in Tuen Mun to ensure the safety of Guangzhou and the seas around Hong Kong. The navy of Tuen Mun pacified the water against pirates. Hong Kong has never had its own military forces because it has never been a sovereign state, except voluntary auxiliary force like The Royal Hong Kong Regiment (The Volunteers). All defence matters have been dependent on the state which controls Hong Kong. Before the British handover to PRC sovereignty, defence was provided by the British military, who stationed