The Spanish transition to democracy (Spanish: Transición española a la democracia), known in Spain as the Transition (Spanish: La Transición), or the Spanish transition (Spanish: Transición española) is a period of modern Spanish history, that started on 20 November 1975, the date of death of Francisco Franco, who had established a military dictatorship after the victory of the Nationalists in the Spanish Civil War. However, historians disagree on the exact date the transition completed: some say it ended after the 1977 general election; while others place it later, when the 1978 Constitution was approved. Others suggest it ended with the failure of the 1981 coup d'êtat attempt. At its latest, the Transition is said to have ended with the first peaceful transfer of executive power, after the victory of the Spanish Socialist Workers' Party (PSOE) in the 1982 general election.
Francisco Franco came to power in 1939 following the Spanish Civil War and ruled as a dictator until his death in 1975. In 1969, he designated Prince Juan Carlos, grandson of Spain's former king, Alfonso XIII, as his official successor. For the next six years, Prince Juan Carlos initially remained in the background during public appearances and seemed ready to follow in Franco's footsteps. Once in power as King of Spain, however, he facilitated the development of a constitutional monarchy as his father, Don Juan de Borbón, had advocated since 1946.