British Nationality (Falkland Islands) Act 1983 Territories citizens were restricted in their right to enter and stay in the UK. The new Act conferred full British citizenship on the residents of the Falkland Islands, giving them more preferential status than that of other BDTCs, including BDTCs of Gibraltar (whose British citizenship must be voluntarily applied for). The 1983 Act had retrospective effect from 1 January 1983, the date on which the 1981 Act had come into effect. The 1983 Act was passed mainly in response to the Falklands War, which was fought between the United Kingdom and Argentina over the sovereignty of the islands. The United
Falkland Islands sovereignty dispute in the Falklands War. France was the first country to establish de facto control in the Falkland Islands, with the foundation of Port Saint Louis in East Falkland by French explorer Louis Antoine de Bougainville, in 1764. The French colony consisted of a small fort and some settlements with a population of around 250. The Islands were named after the Breton port of St. Malo as the "Îles Malouines", which remains the French name for the islands. In 1766, France agreed to leave the islands to Spain, with Spain reimbursing de Bougainville and the St. Malo Company for the cost