the 30th anniversary of the falklands war took place in 2012, and kirchner increased the anti-british sentiment in her rhetoric, reiterating the argentine claims in the falkland islands sovereignty dispute. british prime minister david cameron rejected her comments. relations were also strained by recent oil explorations in the area, and kirchner threatened to sue rockhopper exploration for it. the falkland islands celebrated a sovereignty referendum in 2013, where 99.8% voted to remain a british territory, with only three votes against. kirchner ignored the referendum.