When did the Transfer of sovereignty over Hong Kong happen?
1994 Hong Kong electoral reform The 1994 Hong Kong electoral reform was a set of significant constitutional changes in the last years of British colonial rule in Hong Kong before the handover of its sovereignty to the People's Republic of China on 1 July 1997. The reform proposal was carried out by the last governor Chris Patten to largely broaden the electorate base of the last three-tiers elections in 1994 and 1995:
British National (Overseas) passport The British National (Overseas) passport, commonly referred to as the BN(O) passport, is a British passport for persons with British National (Overseas) (BN(O)) status. The passport was first issued in 1987 after the Hong Kong Act 1985, from which this new class of British nationality was created. Holders of BN(O) passports were permanent residents of Hong Kong, until July 1, 1997 when Hong Kong was handed over to Chinese sovereignty from British rule (especially true for non-Chinese ethnic minorities; even though born in Hong Kong).