Presidency of Cristina Fernández de Kirchner and became president after his death. The transition from Néstor Kirchner to Cristina Kirchner was also the first time when a democratic head of state was replaced by his spouse, without involving the death of any of them. Néstor Kirchner stayed active in politics despite not being the president, and worked alongside Cristina Kirchner. The press developed the term ""presidential marriage"" to make reference to both of them at once. Some political analysts compared this type of government with a diarchy. During the first days of Fernández's presidency, Argentina's relations with the United States deteriorated as a result of allegations
Infanta Cristina of Spain Infanta Cristina of Spain Infanta Cristina of Spain ("Cristina Federica Victoria Antonia de la Santísima Trinidad de Borbón y de Grecia", born 13 June 1965) is the younger daughter of King Juan Carlos I and Queen Sofía. she is sixth in the line of succession to the Spanish throne, after her brother King Felipe VI's children, her sister Elena, and Elena's children. From 2013 she was under investigation and later tried for fraud relating to accusations of corruption involving a company owned by Cristina and her husband. Cristina de Borbón was born at Our Lady of Loreto Clinic in Madrid