Argentina–Spain relations were made declassified and stated that Prime Minister Margaret Thatcher feared that during the Falkland war, Spain would join Argentina by invading Gibraltar. A dispute arose in 2012, when Argentina sought to nationalize the energy company YPF, owned by the Spanish multinational company Repsol. Spain warned against such a move stating that it would harm bilateral relations if such a move were to happen. On 16 April, Argentina's President Cristina Fernández de Kirchner announced the nationalization of YPF, to which Spain warned of a "clear and decisive" response. Since then, Argentina has recompensed the Spanish government and Repsol over the
Presidency of Cristina Fernández de Kirchner 2008, Fernández proposed the transfer of nearly US$30 billion in private pension holdings to the social security system, a law that was passed by Congress in late November. President Cristina Kirchner is a member of the Council of Women World Leaders, an international network of current and former women presidents and prime ministers whose mission is to mobilize the highest-level women leaders globally for collective action on issues of critical importance to women and equitable development. Fernández was invited to the prestigious Summit on Financial Markets and the World Economy in Washington, D.C., on November 15, 2008, by President George