Jackie Chan is a native of the city of Hong Kong. Prior
reunification with China Jackie Chan was a British Dependent
Territories Citizen and after reunification he is a National of
Hong Kong, SAR with a Hong Kong passport.
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No, Hong Kong is instead governed by the Chief Executive of Hong Kong, who is currently Leung Chun-ying. When it was still a British colony, Hong Kong was headed by a British-appointed governor.
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They created Hong Kong. Before the British started to build Hong
Kong it was a barren island.
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A 'full' British passport is for British Citizens. A BNO
passport is for British Nationals (Overseas) - typically people
from Hong Kong who were not granted full British nationality before
the 1997 handover to prevent a mass exodus of immigration from Hong
Kong to the UK.