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
Cristina Fernández de Kirchner opposed to the Kirchners. The Kirchners lost the majority of Congress as a result of the election. The Front for Victory recovered the majority in both chambers of the Congress during the 2011 presidential elections, when Cristina Kirchner was re-elected for a second term. The party had projects to amend the constitution and allow indefinite reelections, but lacked the supermajority required for it. A victory at the 2013 midterm elections would have given such majority, but the party was defeated in most provinces. Sergio Massa, a former cabinet minister of the Kirchners, won in the Buenos Aires Province by nearly