evidence: 5 Pursuant to a Joint Declaration signed on 19 December 1984, the United Kingdom of Great Britain and Northern Ireland restored Hong Kong to the People's Republic of China with effect from 1 July 1997; the People's Republic of China resumed the exercise of sovereignty over the territory with effect from that date. 6 Pursuant to a Joint Declaration signed on 13 April 1987, Portugal restored Macao to the People's Republic of China with effect from 20 December 1999; the People's Republic of China resumed the exercise of sovereignty over the territory with effect from that date. [...] 12 The position of the United Nations concerning the Chagos Archipelago and the ‘British Indian Ocean Territory’ is contained in General Assembly resolution 73/295 of 22 May 2019, entitled ‘Advisory opinion of the International Court of Justice on the legal consequences of the separation of the Chagos Archipelago from Mauritius in 1965’.