Argentine President Javier Milei said on 2026-09-03 in a televised national address that he would sanction oil companies drilling in the Falkland Islands, stepping up Argentina's claim to sovereignty over the British overseas territory. ^[1] Argentina's President Javier Milei stated on September 3, 2026, that the Falkland Islands are Argentinean territory historically and legally with no room for argument. ^[2] President Javier Milei declared that recovering the Falkland Islands is a national obligation and the only path forward to honor those who sacrificed their lives for the cause. ^[3] Argentine President Javier Milei stated in a national address that he will impose sanctions on oil companies working off the Falklands. ^[4] Argentina's President Javier Milei said on 2026-09-04 that Argentina needs to 'recover' the Falkland Islands and announced plans to impose sanctions on oil companies working in the area under what he called 'British occupation'. ^[5] Argentina has launched sanction proceedings against 45 people and companies linked to oil exploration around the Falkland Islands. ^[6] British foreign minister Ed Miliband said on 2026-09-04 that Britain's position on the Falkland Islands was 'unwavering' and that the Islands are British because that is the overwhelming position of the Islanders, whose right of self-determination is paramount. ^[7] Milei said the prospect of oil exploration in the Falklands, which Argentina calls Las Malvinas, was an urgent threat to Argentine interests, and that 'winds of change' favoured Argentina's claim, referencing a possible shift in the U.S. position. ^[8] U.S. President Donald Trump told GB News on 2026-09-03 that he was not sure if Britain would be prepared to fight for the Falklands again, saying 'I just don't know if you have the capacity to do that' and that Britain is not the same country it was 20 or 25 years ago. ^[9] President Milei asserted that the winds of change favor Argentina's claim to the Falklands, pointing to Washington's readiness to review its neutrality on the dispute. ^[10] The Sea Lion oilfield contains an estimated 1.7 billion barrels of oil, with production expected to begin in 2028. ^[11] Milei said in an address to the nation that the Falklands are Argentinean historically and legally, and that the islanders on 'usurped territory' do not have a legitimate right to self-determination. ^[12]